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Szymanowska A, Radomska D, Czarnomysy R, Mojzych M, Kotwica-Mojzych K, Bielawski K, Bielawska A. The activity of pyrazolo[4,3- e][1,2,4]triazine and pyrazolo[4,3- e]tetrazolo[1,5- b][1,2,4]triazine sulphonamide derivatives in monolayer and spheroid breast cancer cell cultures. J Enzyme Inhib Med Chem 2024; 39:2343352. [PMID: 38700244 PMCID: PMC11073428 DOI: 10.1080/14756366.2024.2343352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 04/08/2024] [Indexed: 05/05/2024] Open
Abstract
In the last decade, an increasing interest in compounds containing pyrazolo[4,3-e][1,2,4]triazine moiety is observed. Therefore, the aim of the research was to synthesise a novel sulphonyl pyrazolo[4,3-e][1,2,4]triazines (2a, 2b) and pyrazolo[4,3-e]tetrazolo[1,5-b][1,2,4]triazine sulphonamide derivatives (3a, 3b) to assess their anticancer activity. The MTT assay showed that 2a, 2b, 3a, 3b have stronger cytotoxic activity than cisplatin in both breast cancer cells (MCF-7 and MDA-MB-231) and exhibited weaker effect on normal breast cells (MCF-10A). The obtained results showed that the most active compound 3b increased apoptosis via caspase 9, caspase 8, and caspase 3/7. It is worth to note that compound 3b suppressed NF-κB expression and promoted p53, Bax, and ROS which play important role in activation of apoptosis. Moreover, our results confirmed that compound 3b triggers autophagy through increased formation of autophagosomes, expression of beclin-1 and mTOR inhibition. Thus, our study defines a possible mechanism underlying 3b-induced anti-cancer activity against breast cancer cell lines.
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Affiliation(s)
- Anna Szymanowska
- Department of Biotechnology, Medical University of Bialystok, Bialystok, Poland
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dominika Radomska
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Bialystok, Poland
| | - Robert Czarnomysy
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Bialystok, Poland
| | - Mariusz Mojzych
- Department of Chemistry, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
| | | | - Krzysztof Bielawski
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Bialystok, Poland
| | - Anna Bielawska
- Department of Biotechnology, Medical University of Bialystok, Bialystok, Poland
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2
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Jain A, Yadav VK, Kumari A, Saha SK, Metre RK, Bhattacharyya S, Rana NK. Supported-amine-catalyzed cascade synthesis of spiro-thiazolone-tetrahydrothiophenes: assessing HSA binding activity. Org Biomol Chem 2024. [PMID: 38835316 DOI: 10.1039/d4ob00619d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
We have devised a supported-amine-catalyzed efficient synthesis of spiro-thiazolone-tetrahydrothiophenes via a sulfa-Michael/aldol cascade approach. The catalyst demonstrated sustained efficacy over 21 cycles. These derivatives were found to exhibit excellent binding abilities with purified human serum albumin as indicated by both in silico and in vitro-based experiments.
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Affiliation(s)
- Anshul Jain
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajasthan-342030, India.
| | - Vinay K Yadav
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan-342030, India
| | - Akanksha Kumari
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajasthan-342030, India.
| | - Suman K Saha
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajasthan-342030, India.
| | - Ramesh K Metre
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajasthan-342030, India.
| | - Sudipta Bhattacharyya
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Rajasthan-342030, India
| | - Nirmal K Rana
- Department of Chemistry, Indian Institute of Technology Jodhpur, Rajasthan-342030, India.
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3
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Darakshan, Chaurasia U, Mehar A, Parvin T. Multicomponent synthesis of 3-(1H-indol-3-yl)-2-phenyl-1H-benzo[f]indole-4,9-dione derivatives. Mol Divers 2024:10.1007/s11030-024-10896-8. [PMID: 38837080 DOI: 10.1007/s11030-024-10896-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/13/2024] [Indexed: 06/06/2024]
Abstract
Herein, we report a one-pot greener methodology for the synthesis of 3-(1H-indol-3-yl)-2-phenyl-1H-benzo[f]indole-4,9-dione derivatives by the multicomponent reaction of arylglyoxal monohydrate, 2-amino-1,4-naphthoquinone, and indole in acetonitrile medium under reflux conditions in the presence of 10 mol% sulfamic acid as a catalyst in 20-30 min of reaction time. Three new bonds have formed (2 C-C, 1 C-N) in this methodology. Bioactive moieties such as indole, pyrrole and naphthoquinone are present in our product. This methodology is also applicable in gram-scale synthesis. A wide variety of substrates were tested to find the generality of the methodology and good yield of the products were obtained in a very short reaction time. Along with the operational simplicity of the methodology, purification process of the products is easier by simple recrystallization process. All the synthesized products were characterized by spectroscopic techniques such as FTIR, 1H NMR, 13C NMR, and HRMS.
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Affiliation(s)
- Darakshan
- Department of Chemistry, National Institute of Technology Patna, Ashok Rajpath, Patna, 800 005, India
| | - Ujjain Chaurasia
- Department of Chemistry, National Institute of Technology Patna, Ashok Rajpath, Patna, 800 005, India
| | - Aatka Mehar
- Department of Chemistry, National Institute of Technology Patna, Ashok Rajpath, Patna, 800 005, India
| | - Tasneem Parvin
- Department of Chemistry, National Institute of Technology Patna, Ashok Rajpath, Patna, 800 005, India.
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4
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Kuthe PV, Muzaffar-Ur-Rehman M, Chandu A, Prashant KS, Sankarnarayanan M. Unlocking nitrogen compounds' promise against malaria: A comprehensive review. Arch Pharm (Weinheim) 2024:e2400222. [PMID: 38837417 DOI: 10.1002/ardp.202400222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 06/07/2024]
Abstract
Plasmodium parasites are the primary cause of malaria, leading to high mortality rates, which require clinical attention. Many of the medications used in the treatment have resulted in resistance over time. Artemisinin combination therapy (ACT) has shown significant results for the treatment. However, mutations in the parasite have resulted in resistance, leading to decreased efficiency of the medications that are currently being used. Therefore, there is a critical need to find novel scaffolds that are safe, effective, and of economic advantage. Literature has reported several potent molecules with diverse scaffolds designed, synthesized, and evaluated against different strains of Plasmodium. With this growing list of compounds, it is essential to collect the data in one place to gain a concise overview of the emerging scaffolds in recent years. For this purpose, nitrogen-containing heterocycles such as β-carboline, imidazole, quinazoline, quinoline, thiazole, and thiophene have been highly explored due to their wide biological applications. Besides these, another scaffold, benzodiazepine, which is majorly used as a central nervous system depressant, is emerging as an anti-malarial agent. Hence, this review centers on the latest medication advancements designed to combat malaria, emphasizing special attention to 1,4-benzodiazepines as a novel scaffold for antimalarial drug discovery.
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Affiliation(s)
- Pranali Vijaykumar Kuthe
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, India
| | - Mohammad Muzaffar-Ur-Rehman
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, India
| | - Ala Chandu
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, India
| | - Kirad Shivani Prashant
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, India
| | - Murugesan Sankarnarayanan
- Medicinal Chemistry Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science Pilani, Pilani Campus, Pilani, Rajasthan, India
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5
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Zhang J, Huan XD, Wang X, Li GQ, Xiao WJ, Chen JR. Recent advances in C(sp 3)-N bond formation via metallaphoto-redox catalysis. Chem Commun (Camb) 2024. [PMID: 38832416 DOI: 10.1039/d4cc01969e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
The C(sp3)-N bond is ubiquitous in natural products, pharmaceuticals, biologically active molecules and functional materials. Consequently, the development of practical and efficient methods for C(sp3)-N bond formation has attracted more and more attention. Compared to the conventional ionic pathway-based thermal methods, photochemical processes that proceed through radical mechanisms by merging photoredox and transition-metal catalyses have emerged as powerful and alternative tools for C(sp3)-N bond formation. In this review, recent advances in the burgeoning field of C(sp3)-N bond formation via metallaphotoredox catalysis have been highlighted. The contents of this review are categorized according to the transition metals used (copper, nickel, cobalt, palladium, and iron) together with photocatalysis. Emphasis is placed on methodology achievements and mechanistic insight, aiming to inspire chemists to invent more efficient radical-involved C(sp3)-N bond-forming reactions.
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Affiliation(s)
- Juan Zhang
- College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Xiao-Die Huan
- College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Xin Wang
- College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China.
| | - Guo-Qing Li
- College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Wen-Jing Xiao
- College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.
| | - Jia-Rong Chen
- College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China.
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6
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Kaur K, Verma H, Gangwar P, Jangid K, Dhiman M, Kumar V, Jaitak V. Design, synthesis, in silico and biological evaluation of new indole based oxadiazole derivatives targeting estrogen receptor alpha. Bioorg Chem 2024; 147:107341. [PMID: 38593531 DOI: 10.1016/j.bioorg.2024.107341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/11/2024]
Abstract
A series of new indole-oxadiazole derivatives was designed and synthesized to develop potential anti-breast cancer agents. The compounds exhibited significant inhibitory activity with IC50 values ranging from 1.78 to 19.74 μM against ER-positive human breast cancer (BC) cell lines T-47D and MCF-7. Among them, compounds (5a, 5c, 5e-5h, 5j-5o) displayed superior activity against ER-α dominant (ratio of ER-α/ER-β is 9/1) T-47D cells compared to the standard drug bazedoxifene (IC50 = 12.78 ± 0.92 μM). Compounds 5c and 5o exhibited remarkable anti-proliferative activity with IC50 values of 3.24 ± 0.46 and 1.72 ± 1.67 μM against T-47D cells, respectively. Further, compound 5o manifested 1589-fold higher ER-α binding affinity (213.4 pM) relative to bazedoxifene (339.2 nM) in a competitive ER-α binding assay, while compound 5c showed a binding affinity of 446.6 nM. The Western blot analysis proved that both compounds influenced the ER-α protein's expression, impeding its subsequent transactivation and signalling pathway within T-47D cells. Additionally, a molecular docking study suggests that compounds 5c and 5o bind in such a fashion that induces conformational changes in the protein, culminating in their antagonistic effect. Also, pharmacokinetic profiles showed that all compounds have drug-like properties. Further, molecular dynamic (MD) simulations and density functional theory (DFT) analysis confirmed the stability, conformational behaviour, reactivity, and biological feasibility of compounds 5c and 5o. In conclusion, based on our findings, compounds 5c and 5o, which exhibit significant ER-α antagonistic activity, can act as potential lead compounds for developing anti-breast cancer agents.
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Affiliation(s)
- Kamalpreet Kaur
- Department of Pharmaceutical Sciences and Natural Products. Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Harkomal Verma
- Department of Zoology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Prabhakar Gangwar
- Department of Zoology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Kailash Jangid
- Department of Chemistry, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Monisha Dhiman
- Department of Microbiology, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Vinod Kumar
- Department of Chemistry, Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India
| | - Vikas Jaitak
- Department of Pharmaceutical Sciences and Natural Products. Central University of Punjab, Ghudda, Bathinda (Pb) 151401, India.
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7
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Kaur M, Cooper JC, Van Humbeck JF. Site-selective benzylic C-H hydroxylation in electron-deficient azaheterocycles. Org Biomol Chem 2024. [PMID: 38819259 DOI: 10.1039/d4ob00268g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Benzylic C-H bonds can be converted into numerous functional groups, often by mechanisms that involve hydrogen atom transfer as the key bond breaking step. The abstracting species is most often an electrophilic radical, which makes these reactions best suited to electron-rich C-H bonds to achieve appropriate polarity matching. Thus, electron deficient systems such as pyridine and pyrimidine are relatively unreactive, and therefore underrepresented in substrate scopes. In this report, we describe a new method for heterobenzylic hydroxylation-essentially an unknown reaction in the case of pyrimidines-that makes use of an iodine(III) reagent to afford very high selectivity towards electron-deficient azaheterocycles in substrates with more than one reactive position and prevents over-oxidation to carbonyl products. The identification of key reaction byproducts supports a mechanism that involves radical coupling in the bond forming step.
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Affiliation(s)
- Milanpreet Kaur
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.
| | - Julian C Cooper
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Jeffrey F Van Humbeck
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4, Canada.
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8
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Mayorquín-Torres MC, Simoens A, Bonneure E, Stevens CV. Synthetic Methods for Azaheterocyclic Phosphonates and Their Biological Activity: An Update 2004-2024. Chem Rev 2024. [PMID: 38809666 DOI: 10.1021/acs.chemrev.4c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
The increasing importance of azaheterocyclic phosphonates in the agrochemical, synthetic, and medicinal field has provoked an intense search in the development of synthetic routes for obtaining novel members of this family of compounds. This updated review covers methodologies established since 2004, focusing on the synthesis of azaheterocyclic phosphonates, of which the phosphonate moiety is directly substituted onto to the azaheterocyclic structure. Emphasizing recent advances, this review classifies newly developed synthetic approaches according to the ring size and providing information on biological activities whenever available. Furthermore, this review summarizes information on various methods for the formation of C-P bonds, examining sustainable approaches such as the Michaelis-Arbuzov reaction, the Michaelis-Becker reaction, the Pudovik reaction, the Hirao coupling, and the Kabachnik-Fields reaction. After analyzing the biological activities and applications of azaheterocyclic phosphonates investigated in recent years, a predominant focus on the evaluation of these compounds as anticancer agents is evident. Furthermore, emerging applications underline the versatility and potential of these compounds, highlighting the need for continued research on synthetic methods to expand this interesting family.
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Affiliation(s)
- Martha C Mayorquín-Torres
- SynBioC Research Group, Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Andreas Simoens
- SynBioC Research Group, Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Eli Bonneure
- SynBioC Research Group, Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Christian V Stevens
- SynBioC Research Group, Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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9
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Kar A, Rana G, Sahoo R, Ghosh S, Jana U. Design and Synthesis of Indazole-Indole Hybrid via tert-Butyl Nitrite Mediated Cascade Diazotization/Isomerization/Cyclization. J Org Chem 2024; 89:7295-7302. [PMID: 38662442 DOI: 10.1021/acs.joc.4c00377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
In this report, a tert-butyl nitrite (TBN)-mediated straightforward metal-free approach has been presented for the synthesis of a diverse range of C-3-substituted indazole-indole hybrids using readily accessible 2-(indolin-3-ylidenemethyl)aniline derivatives. This strategy is proposed to occur via a diazonium salt intermediate that is capable of cascade isomerization and intramolecular C-N bond formation through a 5-endo-dig cyclization to achieve a wide variety of indazole-indole hybrids in good yields.
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Affiliation(s)
- Abhishek Kar
- Department of Chemistry, Jadavpur University, Kolkata 700032 West Bengal, India
| | - Gopal Rana
- Department of Chemistry, Jadavpur University, Kolkata 700032 West Bengal, India
| | - Rajkamal Sahoo
- Department of Chemistry, Jadavpur University, Kolkata 700032 West Bengal, India
| | - Sourav Ghosh
- Department of Chemistry, Jadavpur University, Kolkata 700032 West Bengal, India
| | - Umasish Jana
- Department of Chemistry, Jadavpur University, Kolkata 700032 West Bengal, India
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10
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Nikol’skiy VV, Minyaev ME, Bastrakov MA, Starosotnikov AM. Mild and efficient synthesis and base-promoted rearrangement of novel isoxazolo[4,5- b]pyridines. Beilstein J Org Chem 2024; 20:1069-1075. [PMID: 38774274 PMCID: PMC11106669 DOI: 10.3762/bjoc.20.94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 05/03/2024] [Indexed: 05/24/2024] Open
Abstract
An efficient method for the synthesis of isoxazolo[4,5-b]pyridines has been developed on the basis of readily available 2-chloro-3-nitropyridines via the intramolecular nucleophilic substitution of the nitro group as a key step. The previously unknown base-promoted Boulton-Katritzky rearrangement of isoxazolo[4,5-b]pyridine-3-carbaldehyde arylhydrazones into 3-hydroxy-2-(2-aryl[1,2,3]triazol-4-yl)pyridines was observed.
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Affiliation(s)
- Vladislav V Nikol’skiy
- N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky prosp. 47, 119991 Moscow, Russia
| | - Mikhail E Minyaev
- N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky prosp. 47, 119991 Moscow, Russia
| | - Maxim A Bastrakov
- N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky prosp. 47, 119991 Moscow, Russia
| | - Alexey M Starosotnikov
- N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky prosp. 47, 119991 Moscow, Russia
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11
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Reyes Y, Adhikary A, Wnuk SF. Nitrogen-Centered Radicals Derived from Azidonucleosides. Molecules 2024; 29:2310. [PMID: 38792171 PMCID: PMC11124349 DOI: 10.3390/molecules29102310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/04/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Azido-modified nucleosides have been extensively explored as substrates for click chemistry and the metabolic labeling of DNA and RNA. These compounds are also of interest as precursors for further synthetic elaboration and as therapeutic agents. This review discusses the chemistry of azidonucleosides related to the generation of nitrogen-centered radicals (NCRs) from the azido groups that are selectively inserted into the nucleoside frame along with the subsequent chemistry and biological implications of NCRs. For instance, the critical role of the sulfinylimine radical generated during inhibition of ribonucleotide reductases by 2'-azido-2'-deoxy pyrimidine nucleotides as well as the NCRs generated from azidonucleosides by radiation-produced (prehydrated and aqueous) electrons are discussed. Regio and stereoselectivity of incorporation of an azido group ("radical arm") into the frame of nucleoside and selective generation of NCRs under reductive conditions, which often produce the same radical species that are observed upon ionization events due to radiation and/or other oxidative conditions that are emphasized. NCRs generated from nucleoside-modified precursors other than azidonucleosides are also discussed but only with the direct relation to the same/similar NCRs derived from azidonucleosides.
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Affiliation(s)
- Yahaira Reyes
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA;
| | - Amitava Adhikary
- Department of Chemistry, Oakland University, Rochester, MI 48309, USA;
| | - Stanislaw F. Wnuk
- Department of Chemistry and Biochemistry, Florida International University, Miami, FL 33199, USA;
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Niu M, Yang C, Leng M, Cao Q, Li M, Shen Z. Visible-Light-Driven Decarboxylative Coupling of 2 H-Indazoles with α-Keto Acids without Photocatalysts and Oxidants. J Org Chem 2024; 89:6159-6168. [PMID: 38642058 PMCID: PMC11077484 DOI: 10.1021/acs.joc.4c00176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/22/2024]
Abstract
An efficient synthesis of functionalized 3-acyl-2H-indazoles via visible-light-induced self-catalyzed energy transfer was developed. This method utilized a self-catalyzed energy transfer process between 2H-indazoles and α-keto acids, offering advantages like absence of photosensitizers, metal catalysts, and strong oxidants, broad substrate compatibility, and operational simplicity under mild conditions.
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Affiliation(s)
- Mengyu Niu
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou 310014, China
| | - Chen Yang
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou 310014, China
| | - Mingzhu Leng
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou 310014, China
| | - Qun Cao
- School
of Chemistry, University of Leicester, Leicester LE1 7RH, United Kingdom of Great Britain and Northern
Ireland
| | - Meichao Li
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou 310014, China
| | - Zhenlu Shen
- College
of Chemical Engineering, Zhejiang University
of Technology, Hangzhou 310014, China
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13
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Hooshmand SE, Amini Z, Shiri M, Al-Harrasi A. Synthesis and Fluorescence Properties of Imidazopyridine-Linked Coumarins via Tandem C(sp 2)-H Functionalization/Decarboxylation Reaction. J Fluoresc 2024; 34:1131-1137. [PMID: 37486561 DOI: 10.1007/s10895-023-03345-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 07/07/2023] [Indexed: 07/25/2023]
Abstract
A catalyst-, oxidant-free and green synthetic route for direct access to a series of novel imidazopyridine-linked coumarins has been devised through tandem C(sp2)-H functionalization/decarboxylation reaction in ethyl acetate as a sustainable medium. Moreover, the utilities of ensured products in further organic synthesis were conducted by Suzuki-Miyaura and Sonogashira cross-coupling reactions. The fluorescence characteristics of the produced molecules are appropriate, and the synthesized scaffolds could promisingly garner future attention in clinical diagnostics and bioimaging research.
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Affiliation(s)
- Seyyed Emad Hooshmand
- Department of Organic Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, 1993893973, Iran
| | - Zahra Amini
- Department of Organic Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, 1993893973, Iran
| | - Morteza Shiri
- Department of Organic Chemistry, Faculty of Chemistry, Alzahra University, Vanak, Tehran, 1993893973, Iran.
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, P. O. Box 33, Birkat Al Mauz, Nizwa, 616, Sultanate of Oman.
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14
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Arora A, Kumar S, Kumar S, Singh SK, Dua A, Singh BK. Natural product inspired diastereoselective synthesis of sugar-derived pyrano[3,2-c]quinolones and their in-silico studies. Carbohydr Res 2024; 539:109105. [PMID: 38583285 DOI: 10.1016/j.carres.2024.109105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
Herein, we report the development of a diastereoselective and efficient route to construct sugar-derived pyrano[3,2-c]quinolones utilizing 1-C-formyl glycal and 4-hydroxy quinolone annulation. This methodology will open a route to synthesize nature inspired pyrano[3,2-c]quinolones. This is the first report for the stereoselective synthesis of sugar-derived pyrano[3,2-c]quinolones, where 100% stereoselectivity was observed. A total of sixteen compounds have been synthesized in excellent yields with 100% stereoselectivity. The molecular docking of the synthesized novel natural product analogues demonstrated their binding modes within the active site of type II topoisomerase. The results of the in-silico studies displayed more negative binding energies for the all the synthesized compounds in comparison to the natural product huajiosimuline A, indicating their affinity for the active pocket. Ten out of the sixteen novel synthesized compounds were found to have comparative or relatively more negative binding energy in comparison to the standard anti-cancer drug, doxorubicin. Additionally, the scalability and viability of this protocol was illustrated by the gram scale synthesis.
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Affiliation(s)
- Aditi Arora
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Sumit Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Sandeep Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India; Department of Chemistry, Ramjas College, University of Delhi, Delhi, 110007, India
| | - Sunil K Singh
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India; Department of Chemistry, Kirori Mal College, University of Delhi, Delhi, 110007, India
| | - Amita Dua
- Department of Chemistry, Dyal Singh College, University of Delhi, Delhi, 110007, India
| | - Brajendra K Singh
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
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15
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Stojalnikova V, Webster SJ, Liu K, Fletcher SP. Chelation enables selectivity control in enantioconvergent Suzuki-Miyaura cross-couplings on acyclic allylic systems. Nat Chem 2024; 16:791-799. [PMID: 38332329 PMCID: PMC11087250 DOI: 10.1038/s41557-023-01430-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/18/2023] [Indexed: 02/10/2024]
Abstract
Asymmetric Suzuki-Miyaura cross-couplings with aryl boronic acids and allylic electrophiles are a powerful method to convert racemic mixtures into enantioenriched products. Currently, enantioconvergent allylic arylations are limited to substrates that are symmetrical about the allylic unit, and the absence of strategies to control regio-, E/Z- and enantioselectivity in acyclic allylic systems is a major restriction. Here, using a system capable of either conjugate addition or allylic arylation, we have discovered the structural features and experimental conditions that allow an acyclic system to undergo chemo- and regioselective, enantioconvergent allylic Suzuki-Miyaura-type arylation. A wide variety of boronic acid coupling partners can be used, and both alkyl and aromatic substituents are tolerated on the allylic unit so that a wide variety of structures can be obtained. Preliminary mechanistic studies reveal that the chelating ability of the ester group is crucial to obtaining high regio- and enantioselectivity. Using this method, we were able to synthesize the natural products (S)-curcumene and (S)-4,7-dimethyl-1-tetralone and the clinically used antidepressant sertraline (Zoloft).
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Affiliation(s)
| | - Stephen J Webster
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom
| | - Ke Liu
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom
| | - Stephen P Fletcher
- Chemistry Research Laboratory, University of Oxford, Oxford, United Kingdom.
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16
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Kaur K, Verma H, Gangwar P, Dhiman M, Jaitak V. Design, synthesis, in vitro and in silico evaluation of indole-based tetrazole derivatives as putative anti-breast cancer agents. RSC Med Chem 2024; 15:1329-1347. [PMID: 38665833 PMCID: PMC11042173 DOI: 10.1039/d3md00730h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 02/16/2024] [Indexed: 04/28/2024] Open
Abstract
A series of new indole-tetrazole derivatives were designed and synthesized to develop potential anti-breast cancer agents. The compounds exhibited in vitro anti-proliferative activity against ER-α positive T-47D (IC50 = 3.82-24.43 μM), MCF-7 (IC50 = 3.08-22.65 μM), and ER-α negative MDA-MB-231 (IC50 = 7.69-19.4 μM) human breast cancer cell lines. Compounds 5d and 5f displayed significant anti-proliferative activity compared to bazedoxifene (IC50 = 14.23 ± 0.68 μM), with IC50 values of 10.00 ± 0.59 and 3.83 ± 0.74 μM, respectively, against the ER-α dominant T-47D cell line. Also, both compounds showed non-significant cytotoxicity against normal cells HEK-293. Further, the ER-α binding affinity of 5d and 5f was assessed through a fluorescence polarization-based competitive binding assay, where 5d and 5f have shown significant binding with IC50 = 5.826 and 110.6 nM, respectively, as compared to the standard drug bazedoxifene (IC50 = 339.2 nM). Western blot analysis confirmed that compound 5d reduced ER-α protein expression in T-47D cells, hindering its transactivation and signalling pathways. Additionally, a molecular docking study suggests that compounds 5d and 5f bind in such a fashion that induces conformational changes in the protein, culminating in their antagonistic effect. Pharmacokinetic profiles showed that the compounds possessed drug-like properties. Furthermore, molecular dynamics simulation studies establish the dynamic stability and conformational behaviour of the ER-α protein and ligand complex of both compounds. Additionally, 5d and 5f ensure biological feasibility as per their DFT analysis through HOMO-LUMO energy gap analysis. In conclusion, compounds 5d and 5f, exhibiting significant ER-α antagonistic activity, can act as potential lead compounds for anti-breast cancer therapies.
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Affiliation(s)
- Kamalpreet Kaur
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab Ghudda Bathinda (Pb) 151401 India
| | - Harkomal Verma
- Department of Zoology, Central University of Punjab Ghudda Bathinda (Pb) 151401 India
| | - Prabhakar Gangwar
- Department of Zoology, Central University of Punjab Ghudda Bathinda (Pb) 151401 India
| | - Monisha Dhiman
- Department of Microbiology, Central University of Punjab Ghudda Bathinda (Pb) 151401 India
| | - Vikas Jaitak
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab Ghudda Bathinda (Pb) 151401 India
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17
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Vinayagam V, Sadhukhan SK, Botla DV, Chittem RR, Kasu SR, Hajay Kumar TV. Mild Method for Deprotection of the N-Benzyloxycarbonyl ( N-Cbz) Group by the Combination of AlCl 3 and HFIP. J Org Chem 2024; 89:5665-5674. [PMID: 38574289 DOI: 10.1021/acs.joc.4c00177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
Herein, we report our findings on the novel ability of aluminum chloride (AlCl3) in fluorinated solvent 1,1,1,3,3,3-hexafluoroisopropanol [HFIP] to selectively deprotect the N-benzyloxycarbonyl group (N-Cbz). The salient features of this method are good functional group tolerance including other reducible groups, cost-effectiveness, easy-to-handle, safe protocol, amenable to scale-up, high yields, and ambient temperature reactions. The methodology would serve as an excellent alternative to the use of pyrophoric hydrogen gas and metal catalyst reagents that pose severe safety and environmental concerns. The most notable feature of this methodology is the orthogonal deprotection of the N-Cbz group in the presence of O- and N-Bn protecting groups, hence, expanding the scope for designing synthetic routes to target compounds requiring multiple functional group transformations.
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Affiliation(s)
- Vinothkumar Vinayagam
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
| | - Subir Kumar Sadhukhan
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
| | - Durga Varaprasad Botla
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
| | - Rajashekar Reddy Chittem
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
| | - Sreenivasa Reddy Kasu
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
| | - Tanguturi Venkatanarayana Hajay Kumar
- Medicinal Chemistry Division, Curia India Pvt. Ltd (Formerly Albany Molecular Research, Hyderabad Research Centre), MN Park, Genome Valley, Turkapally 500078, Hyderabad, India
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18
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Abdelrazek FM, Zaki ME, Al-Hussain SA, Farag B, Hebishy AM, Abdelfattah MS, Hassan SM, El-Farargy AF, Iovkova L, Mross D, Gomha SM. Facile one-pot synthesis and in silico study of new heterocyclic scaffolds with 4-pyridyl moiety: Mechanistic insights and X-ray crystallographic elucidation. Heliyon 2024; 10:e29221. [PMID: 38617929 PMCID: PMC11015136 DOI: 10.1016/j.heliyon.2024.e29221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 03/08/2024] [Accepted: 04/03/2024] [Indexed: 04/16/2024] Open
Abstract
4-Acetylpyridine 1 and malononitrile 2 were allowed to react in a 3MCRs with dimedone 3a or cyclohexa-1,3-dione 3b under reflux to afford 4-methyl-4-(pyridin-4-yl)-5,6,7,8-tetrahydro-4H-chromene derivatives 4a,b respectively. The mechanism of the reaction has been studied and the structures elucidated by analytical, spectral as well as X-ray crystallographic data. Heterocyclic compounds find widespread application in pharmaceutical and agrochemical products. Docking analyses were performed on the synthesized compounds to assess their binding modes with various amino acids of the target protein tubulin (PDB Code - 1SA0). The results indicated promising binding scores for compounds 4a and 4b, suggesting a strong affinity for the tubulin binding site. Finally, ADMET for the synthesized compounds 4a, 4b, 5, 8a and 8b were carried out. The drug likeness and pharmacokinetic properties of the prepared compounds were also evaluated. Notably, all of the novel compounds adhered to Lipinski's rule (Ro5) without any violations.
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Affiliation(s)
- Fathy M. Abdelrazek
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Magdi E.A. Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammed Ibn Saud Islamic University (IMSIU), Riyadh, 11623, Saudi Arabia
| | - Sami A. Al-Hussain
- Department of Chemistry, Faculty of Science, Imam Mohammed Ibn Saud Islamic University (IMSIU), Riyadh, 11623, Saudi Arabia
| | - Basant Farag
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
| | - Ali M. Hebishy
- Chemistry Department, Faculty of Science, Helwan University, Helwan, 11795, Cairo, Egypt
| | - Mohamed S. Abdelfattah
- Chemistry Department, Faculty of Science, Helwan University, Helwan, 11795, Cairo, Egypt
| | - Safaa M. Hassan
- Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
- Chemistry Department, Faculty of Science, Helwan University, Helwan, 11795, Cairo, Egypt
| | - Ahmed F. El-Farargy
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
- Fakultät für Chemie und Chemische Biologie, TU Dortmund, Dortmund, 44227, Germany
| | - Lyuba Iovkova
- Fakultät für Chemie und Chemische Biologie, TU Dortmund, Dortmund, 44227, Germany
| | - David Mross
- Fakultät für Chemie und Chemische Biologie, TU Dortmund, Dortmund, 44227, Germany
| | - Sobhi M. Gomha
- Department of Chemistry, Faculty of Science, Islamic University of Madinah, Madinah, 42351, Saudi Arabia
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19
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Akhtar M, Lai L, Tian T, Zhang X, Cheng H, Lin L. A series of indole-derived γ-hydroxy propiolate esters as potent anti-inflammatory agents: Design, synthesis, in-vitro and in-vivo biological studies. Eur J Med Chem 2024; 270:116376. [PMID: 38569433 DOI: 10.1016/j.ejmech.2024.116376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/05/2024]
Abstract
A variety of novel indole-derived γ-hydroxy propiolate esters were designed, synthesized, and evaluated for their anti-inflammatory activity in-vitro and in-vivo. According to the nitric oxide (NO) inhibitory analysis, all compounds showed potent NO inhibitory ability in a dose-dependent manner, with no apparent cytotoxicity. The model compound, L-37, also exhibited significant potency in PGE2 inhibition. In addition, compounds L-37 and L-39 can downregulate the expression of COX-2 enzyme at 5 μM via ELISA experiment. Compound L-37 (1 μM) also inhibited the PGF1 production as well as the expression of COX-1, but displayed weak inhibition activity towards the Leukotrienes (LT) and Thromboxane-B2 (TXB-2) production. However, the expression of 5-LOX was significantly inhibited by compound L-39 at 5 μM. Xylene-induced ear edema model was explored for in-vivo anti-inflammatory evaluation, compound L-37 showed similar inhibitory activity compared with celecoxib, approximately 80% at 50 mg/kg dosage. Every outcome showed that the newly synthesized compounds can effectively inhibit inflammation.
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Affiliation(s)
- Maryam Akhtar
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Luhao Lai
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, 272067, China
| | - Ting Tian
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xu Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Hao Cheng
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Li Lin
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China.
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20
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Fernández DF, González-Esguevillas M, Keess S, Schäfer F, Mohr J, Shavnya A, Knauber T, Blakemore DC, MacMillan DWC. Redefining the Synthetic Logic of Medicinal Chemistry. Photoredox-Catalyzed Reactions as a General Tool for Aliphatic Core Functionalization. Org Lett 2024; 26:2702-2707. [PMID: 37094230 PMCID: PMC10680136 DOI: 10.1021/acs.orglett.3c00994] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
C(sp3)-rich aliphatic motifs in drug molecules are strongly associated with clinical success. Historically, the availability of compound libraries based on C(sp3)-rich cores has been limited due to the challenging direct functionalization of aliphatic rings. Instead, most small molecule drug-like libraries are diversified around central aromatic rings. Herein, we present a general approach to the synthesis of diversified libraries featuring aliphatic core rings via photoredox catalysis under mild conditions.
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Affiliation(s)
- David F. Fernández
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States; Pfizer Worldwide Research and Development, Pfizer Inc., Groton, Connecticut 06340, United States
| | - María González-Esguevillas
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States; Pfizer Worldwide Research and Development, Pfizer Inc., Groton, Connecticut 06340, United States
| | - Sebastian Keess
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States
| | - Felix Schäfer
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States
| | - Jens Mohr
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States
| | - Andre Shavnya
- Pfizer Worldwide Research and Development, Pfizer Inc., Groton, Connecticut 06340, United States
| | - Thomas Knauber
- Pfizer Worldwide Research and Development, Pfizer Inc., Groton, Connecticut 06340, United States
| | - David C. Blakemore
- Pfizer Worldwide Research and Development, Pfizer Inc., Groton, Connecticut 06340, United States
| | - David W. C. MacMillan
- Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States
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21
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Saeed S, Shahzadi I, Zahoor AF, Al-Mutairi AA, Kamal S, Faisal S, Irfan A, Al-Hussain SA, Muhammed MT, Zaki MEA. Exploring theophylline-1,2,4-triazole tethered N-phenylacetamide derivatives as antimicrobial agents: unraveling mechanisms via structure-activity relationship, in vitro validation, and in silico insights. Front Chem 2024; 12:1372378. [PMID: 38645776 PMCID: PMC11026557 DOI: 10.3389/fchem.2024.1372378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
Theophylline, a nitrogen-containing heterocycle, serves as a promising focal point for medicinal researchers aiming to create derivatives with diverse pharmacological applications. In this work, we present an improved synthetic method for a range of theophylline-1,2,4-triazole-S-linked N-phenyl acetamides (4a‒g) utilizing ultrasound-assisted synthetic approach. The objective was to assess the effectiveness of synthesized theophylline-1,2,4-triazoles (4a‒g) as inhibitors of HCV serine protease and as antibacterial agents against B. subtilis QB-928 and E. coli AB-274. Theophylline-1,2,4-triazoles were obtained in good to excellent yields (69%-95%) in a shorter time than conventional approach. 4-Chlorophenyl moiety containing theophylline-1,2,4-triazole 4c displayed significantly higher inhibitory activity against HCV serine protease enzyme (IC50 = 0.015 ± 0.25 mg) in comparison to ribavirin (IC50 = 0.165 ± 0.053 mg), but showed excellent binding affinity (-7.55 kcal/mol) with the active site of serine protease, better than compound 4c (-6.90 kcal/mol) as well as indole-based control compound 5 (-7.42 kcal/mol). In terms of percentage inhibition of serine protease, 2-chlorophenyl compound 4b showed the maximum percentage inhibition (86%), more than that of the 3,4-dichlorophenyl compound 4c (76%) and ribavirin (81%). 3,4-Dimethylphenyl-based theophylline-1,2,4-triazole 4g showed the lowest minimum inhibitory concentration (MIC = 0.28 ± 0.50 μg/mL) against the B. subtilis bacterial strain as compared to the standard drug penicillin (MIC = 1 ± 1.50 μg/mL). The other 4-methylphenyl theophylline-1,2,4-triazole 4e (MIC = 0.20 ± 0.08 μg/mL) displayed the most potent antibacterial potential against E. coli in comparison to the standard drug penicillin (MIC = 2.4 ± 1.00 μg/mL). Molecular docking studies further helped in an extensive understanding of all of the interactions between compounds and the enzyme active site, and DFT studies were also employed to gain insights into the molecular structure of the synthesized compounds. The results indicated that theophylline-linked triazole derivatives 4b and 4c showed promise as leading contenders in the fight against the HCV virus. Moreover, compounds 4e and 4g demonstrated potential as effective chemotherapeutic agents against E. coli and B. subtilis, respectively. To substantiate these findings, additional in vivo studies and clinical trials are imperative, laying the groundwork for their integration into future drug design and development.
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Affiliation(s)
- Sadaf Saeed
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Irum Shahzadi
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ameer Fawad Zahoor
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Aamal A. Al-Mutairi
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Shagufta Kamal
- Department of Biochemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Shah Faisal
- Department of Chemistry, Islamia College University Peshawar, Peshawar, Pakistan
| | - Ali Irfan
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Sami A. Al-Hussain
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
| | - Muhammed Tilahun Muhammed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Suleyman Demirel University, Isparta, Türkiye
| | - Magdi E. A. Zaki
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia
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22
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Rohila Y, Sebastian S, Ansari A, Kumar D, Mishra DK, Gupta MK. A Comprehensive Review of the Diverse Spectrum Activity of 1,2,3-Triazole-linked Isatin Hybrids. Chem Biodivers 2024; 21:e202301612. [PMID: 38332679 DOI: 10.1002/cbdv.202301612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/24/2024] [Accepted: 02/08/2024] [Indexed: 02/10/2024]
Abstract
Heterocyclic compounds containing 1,2,3-triazole and isatin as core structures have emerged as promising drug candidates due to their diverse biological activities such as anti-cancer, antifungal, antimicrobial, antitumor, anti-epileptic, antiviral, and more. The presence of 1,2,3-triazoles and isatin heterocycles in these hybrids, both individually known for their medicinal significance, has increasingly piqued the interest of drug discovery researchers, as they seek to delve deeper into their extensive pharmacological potential for enhancing therapeutic efficacy. Moreover, these hybrid compounds are synthetically accessible using readily available materials. Therefore, there is a pressing need to provide a comprehensive overview of the existing knowledge in this field, offering valuable insights to readers and paving the way for the discovery of novel 1,2,3-triazole-linked isatin hybrids with therapeutic potential.
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Affiliation(s)
- Yajat Rohila
- Department of Chemistry, School of Basic Sciences, Department of Chemistry, Central University of Haryana. Mahendergarh-123031, Haryana, India
| | - Sharol Sebastian
- Department of Chemistry, School of Basic Sciences, Department of Chemistry, Central University of Haryana. Mahendergarh-123031, Haryana, India
| | - Azaj Ansari
- Department of Chemistry, School of Basic Sciences, Department of Chemistry, Central University of Haryana. Mahendergarh-123031, Haryana, India
| | - Deepak Kumar
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Shoolini University, Solan, 173229, Himachal Pradesh, India
| | - D K Mishra
- Department of Chemistry, Shri Ramswaroop Memorial College of Engineering & Management, Lucknow, 226028, Uttar Pradesh, India
| | - Manoj K Gupta
- Department of Chemistry, School of Basic Sciences, Department of Chemistry, Central University of Haryana. Mahendergarh-123031, Haryana, India
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23
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Raghu MS, Yogesh Kumar K, Shamala T, Alharti FA, Prashanth MK, Jeon BH. Synthesis, antitubercular profile and molecular docking studies of quinazolinone-based pyridine derivatives against drug-resistant tuberculosis. J Biomol Struct Dyn 2024; 42:3307-3317. [PMID: 37261798 DOI: 10.1080/07391102.2023.2217928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023]
Abstract
The promising quinazolinone-based pyridine derivatives (4a-j) were synthesized and subsequently tested for their antimycobacterial activities against the various drug-sensitive and drug-resistant Mycobacterium tuberculosis (Mtb) strains to combat infectious diseases and address growing concerns about the devastating effects of tuberculosis (TB). Utilizing 1H NMR, 13C NMR, and mass spectra, the structural and molecular confirmation of the synthesized compounds were deciphered. With minimum inhibitory concentration (MIC) values ranging from 0.31 to 19.13 μM, the results showed that compounds 4e and 4f showed promise anti-TB action against both drug-sensitive and drug-resistant TB strains. To study the cytotoxicity of synthesized molecules, normal Vero and mouse macrophage (RAW264.7) cell lines were utilized. Remarkably, it was revealed that at the highest concentration tested, none of the newly synthesized molecules were toxic to the Vero cell line. The binding patterns of the potent compounds 4b, 4e and 4f in the active site of the mycobacterial membrane protein Large 3 (MmpL3) protein are also revealed by molecular docking studies, which has contributed to the development of a structural rationale for Mtb inhibition. The physicochemical characteristics of the compounds were then predicted using theoretical calculations. Overall, the molecular docking results, physiochemical properties, and observed antimycobacterial activity all point to compound 4e with trifluoromethyl and compound 4f with nitro moiety as potential quinazolinone linked pyridine-based MmpL3 inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- M S Raghu
- Department of Chemistry, New Horizon College of Engineering, Bengaluru, India
| | - K Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Ramanagara, India
| | - T Shamala
- Department of Chemistry, B N M Institute of Technology, Bengaluru, India
| | - Fahad A Alharti
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - M K Prashanth
- Department of Chemistry, B N M Institute of Technology, Bengaluru, India
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, Republic of Korea
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24
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P H, M V, Dey R. Multicomponent synthesis via acceptorless alcohol dehydrogenation: an easy access to tri-substituted pyridines. RSC Adv 2024; 14:10761-10767. [PMID: 38572342 PMCID: PMC10988360 DOI: 10.1039/d4ra00439f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024] Open
Abstract
Herein, we report palladium supported on a hydroxyapatite catalyst for synthesizing tri-substituted pyridines using ammonium acetate as the nitrogen source via acceptorless alcohol dehydrogenation strategy. The strategy offers a broad substrate scope using inexpensive and readily available alcohols as the starting material. The catalyst was prepared using a simple method and analyzed by several techniques, including FE-SEM, EDS, HR-TEM, BET, XRD, FT-IR, UV-visible spectroscopy, and XPS, demonstrating the anchoring of Pd nanoparticles on hydroxyapatite in the zero oxidation state. Moreover, several controlled experiments were carried out to understand the reaction pathway and a suitable mechanism has been proposed.
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Affiliation(s)
- Hima P
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
| | - Vageesh M
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
| | - Raju Dey
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
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25
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Moreno LM, Quiroga J, Abonia R, Crespo MDP, Aranaga C, Martínez-Martínez L, Sortino M, Barreto M, Burbano ME, Insuasty B. Synthesis of Novel Triazine-Based Chalcones and 8,9-dihydro-7 H-pyrimido[4,5- b][1,4]diazepines as Potential Leads in the Search of Anticancer, Antibacterial and Antifungal Agents. Int J Mol Sci 2024; 25:3623. [PMID: 38612435 PMCID: PMC11012124 DOI: 10.3390/ijms25073623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/10/2024] [Accepted: 01/14/2024] [Indexed: 04/14/2024] Open
Abstract
This study presents the synthesis of four series of novel hybrid chalcones (20,21)a-g and (23,24)a-g and six series of 1,3,5-triazine-based pyrimido[4,5-b][1,4]diazepines (28-33)a-g and the evaluation of their anticancer, antibacterial, antifungal, and cytotoxic properties. Chalcones 20b,d, 21a,b,d, 23a,d-g, 24a-g and the pyrimido[4,5-b][1,4]diazepines 29e,g, 30g, 31a,b,e-g, 33a,b,e-g exhibited outstanding anticancer activity against a panel of 60 cancer cell lines with GI50 values between 0.01 and 100 μM and LC50 values in the range of 4.09 μM to >100 μM, several of such derivatives showing higher activity than the standard drug 5-fluorouracil (5-FU). On the other hand, among the synthesized compounds, the best antibacterial properties against N. gonorrhoeae, S. aureus (ATCC 43300), and M. tuberculosis were exhibited by the pyrimido[4,5-b][1,4]diazepines (MICs: 0.25-62.5 µg/mL). The antifungal activity studies showed that triazinylamino-chalcone 29e and triazinyloxy-chalcone 31g were the most active compounds against T. rubrum and T. mentagrophytes and A. fumigatus, respectively (MICs = 62.5 μg/mL). Hemolytic activity studies and in silico toxicity analysis demonstrated that most of the compounds are safe.
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Affiliation(s)
- Leydi M. Moreno
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - Jairo Quiroga
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - Rodrigo Abonia
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
| | - María del P. Crespo
- Grupo de Biotecnología e Infecciones Bacterianas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia;
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - Carlos Aranaga
- Grupo de Investigación en Química y Biotecnología (QUIBIO), Facultad de Ciencias Básicas, Universidad Santiago de Cali, Cali 760035, Colombia;
- Grupo de Investigación Traslacional en Enfermedades Infecciosas, Escuela de Biomedicina, Universidad de Córdoba, 14014 Córdoba, Spain
| | - Luis Martínez-Martínez
- Unidad de Microbiología Clínica, Hospital Universitario Reina Sofía, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Departamento de Química Agrícola, Edafología y Microbiología, Universidad de Córdoba, 14004 Córdoba, Spain;
| | - Maximiliano Sortino
- Área de Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario 2000, Argentina;
| | - Mauricio Barreto
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - María E. Burbano
- Grupo de Microbiología y Enfermedades Infecciosas, Departamento de Microbiología, Universidad del Valle, Cali 760042, Colombia; (M.B.); (M.E.B.)
| | - Braulio Insuasty
- Grupo de Investigación de Compuestos Heterocíclicos, Departamento de Química, Universidad del Valle, Cali 760042, Colombia; (J.Q.); (R.A.)
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26
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Liu J, Lu Y, Zhu L, Lei X. Construction of indolizine scaffolds from α,ω-alkynoic acids and α,ω-vinylamines via sequential-relay catalysis in "one pot". Org Biomol Chem 2024; 22:2474-2479. [PMID: 38440950 DOI: 10.1039/d4ob00067f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
A simple and efficient method has been developed for the synthesis of a diverse range of aryl-fused indolizin-3-ones through sequential Au(I)-catalyzed hydrocarboxylation, aminolysis, and cyclization, followed by ruthenium-catalyzed ring-closing metathesis. Moderate to good yields were observed with satisfactory substrate scope and functional group tolerance. The developed protocol represents a practical strategy for the construction of bioactive aryl-fused indolizin-3-ones.
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Affiliation(s)
- Jiami Liu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Yi Lu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Lingxuan Zhu
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
| | - Xinsheng Lei
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong Zone, Shanghai 201203, China.
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27
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Leblanc J, Boutin M, Vega C, Mathé-Allainmat M, Grosse S, Guillemont J, Lebreton J, Tessier A. A new synthetic route towards multifunctionalized cyclic amidrazones for feeding chemical space. Org Biomol Chem 2024; 22:2404-2408. [PMID: 38411004 DOI: 10.1039/d3ob02092d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
In the context of growing impetus to develop new molecular scaffolds as well as a variety of 3D fragments to escape from flatland, we have reintroduced the accessibility of the underexplored azaheterocyclic amidrazones as promising bioisosteres. Herein, we present an original and versatile approach to synthesize cyclic amidrazones functionalized at different positions of the scaffold in view of diversifying the substitution pattern towards multifunctionalization, extension or fusion of the ring system and 3D-shaping of fragments. This unprecedented synthetic route represents a sweet achievement to cover further lead-like chemical space.
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Affiliation(s)
- Johann Leblanc
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
| | - Margaux Boutin
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
| | - Clara Vega
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
| | - Monique Mathé-Allainmat
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
| | - Sandrine Grosse
- Janssen Research & Development, Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Jérôme Guillemont
- NovAliX on-site Janssen-Cilag, Centre de recherche Pharma, Campus de Maigremont BP615, F-27106 Val de Reuil Cedex, France
| | - Jacques Lebreton
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
| | - Arnaud Tessier
- Nantes Université, CNRS, CEISAM, UMR 6230, 2 rue de la Houssinière, BP 92208, F-44000 Nantes, France.
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28
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Hao H, Yue Y, Chen Q, Yang Y, Kuai B, Wang Q, Xiao T, Chen H, Zhang J. Effects of an efficient straw decomposition system mediated by Stropharia rugosoannulata on soil properties and microbial communities in forestland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170226. [PMID: 38280599 DOI: 10.1016/j.scitotenv.2024.170226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/20/2023] [Accepted: 01/15/2024] [Indexed: 01/29/2024]
Abstract
Cultivation of Stropharia rugosoannulata with straw in forestland is effective for straw biodegradation and can prevent the waste of straw resources and environmental pollution and generate economic benefits. However, there is a lack of systematic evaluation of spent mushroom substrate (SMS) input into forestland, such as soil properties and microbial succession. In this experiment, 0 (CK), 10 (SA), 20 (SB), 30 (SC), 40 (SD), and 50 (SE) kg/m2 straw were used to cultivate S. rugosoannulata, and two soil layers (0-10 cm, 10-20 cm) of the cultivated forestland were analyzed. The results indicated that SMS significantly promoted nutrient accumulation in forestland. The bacterial alpha diversity in the SC treatment group was greater than that in the control and gradually decreased to the control level with interannual changes, while the trend of fungal alpha diversity was opposite to that of bacterial alpha diversity. Furthermore, the SC treatment group positively affected soil nitrogen metabolism-related microorganisms for two consecutive years and significantly promoted tree growth. Habitat niche breadth and null model analysis revealed that bacterial communities were more sensitive than fungal communities after SMS input. Linear mixed model (LMM) analysis revealed that SMS supplementation significantly positively affected bacteria (Gammaproteobacteria and Bacteroidota) and significantly negatively affected fungi (Coniochaetales). The constructed fungal-bacterial co-occurrence networks exhibited modularity, and the five types of bacteria were significantly correlated with soil organic matter (SOM), soil organic carbon (SOC), available potassium (AK), available phosphorus (AAP) and available nitrogen (AN) levels. The structural equation model (SEM) showed that bacterial diversity responded more to changes in soil nutrients than did fungal diversity. Overall, 30 kg/m2 of straw decomposition and 2 years of continuous cultivation were beneficial to soil health. This study provides new insights into the rational decomposition of straw and maintenance of forestland ecological balance by S. rugosoannulata.
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Affiliation(s)
- Haibo Hao
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; State Key Laboratory of Genetic Engineering and Fudan Center for Genetic Diversity and Designing Agriculture, Institute of Plant Biology, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Yihong Yue
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Qun Chen
- School of Biology Food and Environment, Hefei University, Hefei 23060, China
| | - Yan Yang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Benke Kuai
- State Key Laboratory of Genetic Engineering and Fudan Center for Genetic Diversity and Designing Agriculture, Institute of Plant Biology, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Qian Wang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Tingting Xiao
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
| | - Hui Chen
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
| | - Jinjing Zhang
- National Research Center for Edible Fungi Biotechnology and Engineering, Key Laboratory of Applied Mycological Resources and Utilization, Ministry of Agriculture, Shanghai Key Laboratory of Agricultural Genetics and Breeding, Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China.
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29
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Yu TT, Huang PT, Chen BH, Zhong YJ, Han B, Peng C, Zhan G, Huang W, Zhao Q. Construction of 3,4-Dihydroquinolone Derivatives through Pd-Catalyzed [4+2] Cycloaddition of Vinyl Benzoxazinanones with α-Alkylidene Succinimides. J Org Chem 2024; 89:3279-3291. [PMID: 38377542 DOI: 10.1021/acs.joc.3c02728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
The construction of 3,4-dihydroquinolone derivatives has attracted a considerable amount of attention due to their extensive applications in medicinal chemistry. In this study, we present the Pd-catalyzed [4+2] cycloaddition of vinyl benzoxazinanones with α-alkylidene succinimides for the efficient synthesis of 3,4-dihydroquinolones. This approach presents numerous advantages, including the ready availability of starting materials, mild reaction conditions without the use of additional bases, and a wide range of substrates. In particular, all of the desired products can be easily afforded in high yields (≤99%) and excellent diastereoselectivities (>20:1). The practicality and reliability of this strategy were demonstrated by the successful scale-up synthesis and subsequent straightforward synthetic transformations.
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Affiliation(s)
- Ting-Ting Yu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Peng-Ting Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ben-Hong Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ya-Jun Zhong
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Gu Zhan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qian Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Basic Medical Sciences, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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30
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Monika, Chander, Sharma D, Sharma PK, Ram S. Synthesis and biological evaluation of novel benzenesulfonamide incorporated thiazole-triazole hybrids as antimicrobial and antioxidant agents. Arch Pharm (Weinheim) 2024; 357:e2300650. [PMID: 38154111 DOI: 10.1002/ardp.202300650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/30/2023]
Abstract
A library of 20 novel benzenesulfonamide incorporating thiazole tethered 1,2,3-triazoles 1-4a-e was synthesized and screened for their antimicrobial, antioxidant, and cytotoxicity studies. Amoxicillin and fluconazole were used as reference antibacterial and antifungal drugs, respectively. Further, energies of frontier molecular orbitals were calculated for all the synthesized target compounds 1-4a-e to correlate electronic parameters with the observed biological results. Global reactivity descriptors, including highest occupied molecular orbitals-lowest unoccupied molecular orbitals energy gap, electronegativity, chemical hardness, chemical softness, and electrophilicity index, were also calculated for the synthesized molecules. All the tested compounds possessed moderate to excellent antibacterial potency; however, 3d and 4d exhibited the overall highest antibacterial effect (minimum inhibitory concentration [MIC] values 5-11 µM) while 2c showed the highest antifungal effect (MIC value 6 µM). Compound 3c exhibited the highest antioxidant activity with a % radical scavenging activity value of 95.12. The cytotoxicity of the compounds 1-4a-e was also checked against an animal cell line and a plant seed germination cell line, and the compounds were found to be safe against both the tested cell lines.
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Affiliation(s)
- Monika
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Chander
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Deepansh Sharma
- Department of Life Sciences, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Pawan K Sharma
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
- Department of Chemistry, Wesleyan University, Middletown, USA
| | - Sita Ram
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
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31
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Karpova L, Daniel M, Kancherla R, Muralirajan K, Maity B, Rueping M. Excited-State Nickel-Catalyzed Amination of Aryl Bromides: Synthesis of Diphenylamines and Primary Anilines. Org Lett 2024; 26:1657-1661. [PMID: 38381879 DOI: 10.1021/acs.orglett.4c00147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Excited-state nickel-catalyzed C-N cross-coupling of aryl bromides with sodium azide enables the synthesis of diarylamines and primary anilines under mild reaction conditions. The oxidative addition of electron-rich aryl bromides with low-valent Ni under the photochemical conditions is endothermic. Herein, we demonstrate a light-mediated nickel-catalyzed reaction of electronically rich aryl bromides that yields diarylamines, while the reaction with electron-deficient aryl bromides gives access to anilines at room temperature.
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Affiliation(s)
- Lidia Karpova
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Matěj Daniel
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Rajesh Kancherla
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Krishnamoorthy Muralirajan
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Bholanath Maity
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Magnus Rueping
- Kaust Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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32
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Hellwig PS, Bartz RH, Santos RRSA, Guedes JS, Silva MS, Lenardão EJ, Perin G. Telescoping Synthesis of 4-Organyl-5-(organylselanyl)thiazol-2-amines Promoted by Ultrasound. Chempluschem 2024:e202300690. [PMID: 38426670 DOI: 10.1002/cplu.202300690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 02/07/2024] [Indexed: 03/02/2024]
Abstract
In this work, we describe the synthesis of new 4-organyl-5-(organylselanyl)thiazol-2-amine hybrids through a one-pot two-step protocol. The transition metal-free method involves the use of ultrasound as an alternative energy source and Oxone® as oxidant. To obtain the products, a telescoping approach was used, in which 4-organylthiazol-2-amines were firstly prepared under ultrasonic irradiation, followed by the addition of diorganyl diselenides and Oxone®. Thus, 16 compounds were prepared, with yields ranging from 61 % to 98 %, using 2-bromoacetophenone derivatives and diorganyl diselenides as easily available starting materials.
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Affiliation(s)
- Paola S Hellwig
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Ricardo H Bartz
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Rafaela R S A Santos
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Jonatan S Guedes
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Márcio S Silva
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Eder J Lenardão
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
| | - Gelson Perin
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos - CCQFA, Universidade Federal de Pelotas - UFPel, P. O. box 354, CEP: 96010-900, Pelotas, RS, Brazil
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33
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Yuan Y, Faure C, Berthelot M, Belmont P, Brachet E. Harnessing the Potential of Electron Donor-Acceptor Complexes and N-Centered Radicals: Expanding the Frontiers of Isoquinoline Derivative Synthesis. J Org Chem 2024; 89:3538-3545. [PMID: 38380653 DOI: 10.1021/acs.joc.4c00086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Research on synthesizing nitrogen-containing heterocyclic scaffolds is important because these structures are commonly found in Nature, such as in the alkaloids' family. In our study, we propose a new method to synthesize the isoquinoline core using an electron donor-acceptor (EDA) complex strategy. Our mechanistic investigations have confirmed that our synthesis process operates through an EDA mechanism, which is not extensively discussed in the literature, particularly regarding its applications on alkynyl substrates. This EDA strategy has proven to be a simple and straightforward way to produce isoquinoline scaffolds and their derivatives without the need for metal catalysts.
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Affiliation(s)
- Yurong Yuan
- Faculté de Pharmacie de Paris, Université Paris Cité, UMR CNRS 8038, Paris F-75006, France
| | - Clara Faure
- Faculté de Pharmacie de Paris, Université Paris Cité, UMR CNRS 8038, Paris F-75006, France
| | - Mathieu Berthelot
- Faculté de Pharmacie de Paris, Université Paris Cité, UMR CNRS 8038, Paris F-75006, France
| | - Philippe Belmont
- Faculté de Pharmacie de Paris, Université Paris Cité, UMR CNRS 8038, Paris F-75006, France
| | - Etienne Brachet
- Faculté de Pharmacie de Paris, Université Paris Cité, UMR CNRS 8038, Paris F-75006, France
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34
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Purakkel U, Praveena G, Madabhushi VY, Jadav SS, Prakasham RS, Dasugari Varakala SG, Sriram D, Blanch EW, Maniam S. Thiazolotriazoles As Anti-infectives: Design, Synthesis, Biological Evaluation and In Silico Studies. ACS OMEGA 2024; 9:8846-8861. [PMID: 38434818 PMCID: PMC10905600 DOI: 10.1021/acsomega.3c06324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/03/2023] [Accepted: 12/14/2023] [Indexed: 03/05/2024]
Abstract
The rational design of novel thiazolo[2,3-c][1,2,4]triazole derivatives was carried out based on previously identified antitubercular hit molecule H127 for discovering potent compounds showing antimicrobial activity. The designed compounds were screened for their binding efficacies against the antibacterial drug target enoyl-[acyl-carrier-protein] reductase, followed by prediction of drug-likeness and ADME properties. The designed analogues were chemically synthesized, characterized by spectroscopic techniques, followed by evaluation of antimicrobial activity against bacterial and fungal strains, as well as antitubercular activity against M. tuberculosis and M. bovis strains. Among the synthesized compounds, five compounds, 10, 11, 35, 37 and 38, revealed antimicrobial activity, albeit with differential potency against various microbial strains. Compounds 10 and 37 were the most active against S. mutans (MIC: 8 μg/mL), while compounds 11 and 37 showed the highest activity against B. subtillis (MIC: 16 μg/mL), whereas compounds 10, 11 and 37 displayed activities against E. coli (MIC: 16 μg/mL). Meanwhile, compounds 10 and 35 depicted activities against S. typhi (MIC: 16 μg/mL) and compound 10 showed antifungal activity against C. albicans (MIC: 32 μg/mL). The current study has identified two broad-spectrum antibacterial hit compounds (10 and 37). Further structural investigation on these molecules is underway to enhance their potency.
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Affiliation(s)
- Umadevi
Kizhakke Purakkel
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Ganji Praveena
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Valli Y. Madabhushi
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Surender Singh Jadav
- Department
of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology Tarnaka, Uppal Road, Hyderabad 500037, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Reddy Shetty Prakasham
- Organic
Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India
| | | | - Dharmarajan Sriram
- Department
of Pharmacy, Birla Institute of Technology
& Science Pilani, Hyderabad Campus, Hyderabad 500078, India
| | - Ewan W. Blanch
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
| | - Subashani Maniam
- Applied
Chemistry and Environmental Science, STEM College, RMIT University, Melbourne, Victoria 3001, Australia
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35
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Omidvar AR, Asghari S, Ghasempour L, Mohseni M. One Pot Synthesis and Biological Activity Studies of New Spirooxindoles. Chem Biodivers 2024:e202301942. [PMID: 38393713 DOI: 10.1002/cbdv.202301942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/18/2024] [Accepted: 02/21/2024] [Indexed: 02/25/2024]
Abstract
This article reports one-pot synthesis of ten novel spirooxindoles using 5-methyl-2-thiohydantoin, isatin derivatives, and malononitrile in good to high yields (65-90 %). The structures of the synthesized compounds were deduced by 1H-NMR, 13C NMR, FT-IR, and Mass spectral data. The antibacterial activity of the compounds was evaluated against two Gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis) and two Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa) based on the Kirby-Bauer method. According to the obtained data, the synthesized compounds show more activity against Gram-positive bacteria than Gram-negative bacteria. Also, the antioxidant activity of these compounds was measured using the DPPH radical scavenging test method, which showed good to excellent activity (59.65-94.03 %). Among them, the chlorinated derivatives (4 f-j) exhibited more antioxidant activity (84.85-94.03 %) than the other compounds (4 a-e) (56.65-74.4 %) and even ascorbic acid as a standard antioxidant compound (82.3 %).
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Affiliation(s)
- Amir Reza Omidvar
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, 47416-95447, Iran
| | - Sakineh Asghari
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, 47416-95447, Iran
| | - Leila Ghasempour
- Department of Organic Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, 47416-95447, Iran
| | - Mojtaba Mohseni
- Department of Microbiology, Faculty of Science, University of Mazandaran, Babolsar, 47416-95447, Iran
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36
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Pelizaro BI, Batista JCZ, Portapilla GB, das Neves AR, Silva F, Carvalho DB, Shiguemoto CYK, Pessatto LR, Paredes-Gamero EJ, Cardoso IA, Luccas PH, Nonato MC, Lopes NP, Galvão F, Oliveira KMP, Cassemiro NS, Silva DB, Piranda EM, Arruda CCP, de Albuquerque S, Baroni ACM. Design and Synthesis of Novel 3-Nitro-1 H-1,2,4-triazole-1,2,3-triazole-1,4-disubstituted Analogs as Promising Antitrypanosomatid Agents: Evaluation of In Vitro Activity against Chagas Disease and Leishmaniasis. J Med Chem 2024; 67:2584-2601. [PMID: 38305199 DOI: 10.1021/acs.jmedchem.3c01745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
A series of 28 compounds, 3-nitro-1H-1,2,4-triazole, were synthesized by click-chemistry with diverse substitution patterns using medicinal chemistry approaches, such as bioisosterism, Craig-plot, and the Topliss set with excellent yields. Overall, the analogs demonstrated relevant in vitro antitrypanosomatid activity. Analog 15g (R1 = 4-OCF3-Ph, IC50 = 0.09 μM, SI = >555.5) exhibited an outstanding antichagasic activity (Trypanosoma cruzi, Tulahuen LacZ strain) 68-fold more active than benznidazole (BZN, IC50 = 6.15 μM, SI = >8.13) with relevant selectivity index, and suitable LipE = 5.31. 15g was considered an appropriate substrate for the type I nitro reductases (TcNTR I), contributing to a likely potential mechanism of action for antichagasic activity. Finally, 15g showed nonmutagenic potential against Salmonella typhimurium strains (TA98, TA100, and TA102). Therefore, 3-nitro-1H-1,2,4-triazole 15g is a promising antitrypanosomatid candidate for in vivo studies.
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Affiliation(s)
- Bruno I Pelizaro
- Laboratório de Síntese e Química Medicinal (LASQUIM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900, Brazil
| | - Jaqueline C Z Batista
- Laboratório de Parasitologia Humana, Instituto de Biociências, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900,Brazil
| | - Gisele B Portapilla
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo CEP 14040-900, Brazil
| | - Amarith R das Neves
- Laboratório de Síntese e Química Medicinal (LASQUIM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900, Brazil
- Laboratório de Parasitologia Humana, Instituto de Biociências, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900,Brazil
| | - Fernanda Silva
- Laboratório de Parasitologia Humana, Instituto de Biociências, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900,Brazil
| | - Diego B Carvalho
- Laboratório de Síntese e Química Medicinal (LASQUIM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900, Brazil
| | - Cristiane Y K Shiguemoto
- Laboratório de Síntese e Química Medicinal (LASQUIM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900, Brazil
| | - Lucas R Pessatto
- Laboratório de Biologia Molecular (BioMol) e Cultivos Celulares, Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal do Mato Grosso do Sul, Campo Grande,Mato Grosso do Sul CEP 79070-900 ,Brazil
| | - Edgar J Paredes-Gamero
- Laboratório de Biologia Molecular (BioMol) e Cultivos Celulares, Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal do Mato Grosso do Sul, Campo Grande,Mato Grosso do Sul CEP 79070-900 ,Brazil
| | - Iara A Cardoso
- Laboratório de Cristalografia de Proteínas, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café s/n Monte Alegre, Ribeirão Preto, São Paulo CEP 14040-903 ,Brazil
| | - Pedro H Luccas
- Laboratório de Cristalografia de Proteínas, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café s/n Monte Alegre, Ribeirão Preto, São Paulo CEP 14040-903 ,Brazil
| | - M Cristina Nonato
- Laboratório de Cristalografia de Proteínas, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café s/n Monte Alegre, Ribeirão Preto, São Paulo CEP 14040-903 ,Brazil
| | - Norberto P Lopes
- Núcleo de Pesquisas em Produtos Naturais e Sintéticos, Departamento de Ciências Biomoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Avenida do Café s/n Monte Alegre, Ribeirão Preto, São Paulo CEP 14040-903, Brazil
| | - Fernanda Galvão
- Faculdade de Ciências da Saúde, Universidade Federal da Grande Dourados, Dourados, Mato Grosso do Sul CEP 79804-970, Brazil
| | - Kelly M P Oliveira
- Faculdade de Ciências da Saúde, Universidade Federal da Grande Dourados, Dourados, Mato Grosso do Sul CEP 79804-970, Brazil
| | - Nadla S Cassemiro
- Laboratório de Produtos Naturais e Espectrometria de Massas (LAPNEM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande ,Mato Grosso do SulCEP 79070-900, Brazil
| | - Denise B Silva
- Laboratório de Produtos Naturais e Espectrometria de Massas (LAPNEM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande ,Mato Grosso do SulCEP 79070-900, Brazil
| | - Eliane M Piranda
- Laboratório de Parasitologia Humana, Instituto de Biociências, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900,Brazil
| | - Carla C P Arruda
- Laboratório de Parasitologia Humana, Instituto de Biociências, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900,Brazil
| | - Sergio de Albuquerque
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo CEP 14040-900, Brazil
| | - Adriano C M Baroni
- Laboratório de Síntese e Química Medicinal (LASQUIM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grossso do Sul- UFMS, Campo Grande, Mato Grosso do Sul CEP 79070-900, Brazil
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37
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Rastogi SK, Khanka S, Kumar S, Lakra A, Rathur R, Sharma K, Bisen AC, Bhatta RS, Kumar R, Singh D, Sinha AK. Design, synthesis and biological evaluation of novel pyrimidine derivatives as bone anabolic agents promoting osteogenesis via the BMP2/SMAD1 signaling pathway. RSC Med Chem 2024; 15:677-694. [PMID: 38389884 PMCID: PMC10880903 DOI: 10.1039/d3md00500c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/16/2023] [Indexed: 02/24/2024] Open
Abstract
Anti-resorptive inhibitors such as bisphosphonates are widely used but they have limited efficacy and serious side effects. Though subcutaneous injection of teriparatide [PTH (1-34)] is an effective anabolic therapy, long-term repeated subcutaneous administration is not recommended. Henceforth, orally bio-available small-molecule-based novel therapeutics are unmet medical needs to improve the treatment. In this study, we designed, synthesized, and carried out a biological evaluation of 31 pyrimidine derivatives as potent bone anabolic agents. A series of in vitro experiments confirmed N-(5-bromo-4-(4-bromophenyl)-6-(2,4,5-trimethoxyphenyl)pyrimidin-2-yl)hexanamide (18a) as the most efficacious anabolic agent at 1 pM. It promoted osteogenesis by upregulating the expression of osteogenic genes (RUNX2 and type 1 col) via activation of the BMP2/SMAD1 signaling pathway. In vitro osteogenic potential was further validated using an in vivo fracture defect model where compound 18a promoted the bone formation rate at 5 mg kg-1. We also established the structure-activity relationship and pharmacokinetic studies of 18a.
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Affiliation(s)
- Sumit K Rastogi
- Division of Medicinal and Process Chemistry, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Sonu Khanka
- Division of Endocrinology, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Santosh Kumar
- Division of Medicinal and Process Chemistry, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Amardeep Lakra
- Division of Endocrinology, CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Rajat Rathur
- Division of Endocrinology, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Kriti Sharma
- Division of Endocrinology, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Amol Chhatrapati Bisen
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
- Pharmaceutics and Pharmacokinetics Division, CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Rabi Sankar Bhatta
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
- Pharmaceutics and Pharmacokinetics Division, CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Ravindra Kumar
- Division of Medicinal and Process Chemistry, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Divya Singh
- Division of Endocrinology, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
| | - Arun K Sinha
- Division of Medicinal and Process Chemistry, CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002. U.P. India
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38
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Paramonova P, Eliseev I, Dar'in D, Bakulina O. Imines with rare α-heteroatom substituted amine components generated in situ via the Staudinger/aza-Wittig tandem reaction and their application in multicomponent reactions. Org Biomol Chem 2024; 22:1733-1744. [PMID: 38323438 DOI: 10.1039/d3ob01832f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
A series of structurally diverse α-heteroatom substituted methyl azides (XCH2N3, where X = phthalimidoyl, benzotriazolyl, arylsulfanyl, aryloxy, alkoxy) have been prepared and evaluated for the in situ generation of imines via the Staudinger/aza-Wittig tandem reaction with aldehydes and triphenylphosphine. The obtained imines were successfully introduced into four types of multicomponent reactions: the Staudinger β-lactam synthesis with diazo carbonyl compounds, the Castagnoli-Cushman reaction with cyclic anhydrides, and the Ugi and azido-Ugi reactions with isocyanides and carboxylic acids or TMS-azides. These transformations allowed the preparation of four-to-seven-membered lactams, acyclic bisamides and 5-(aminomethyl)-1-alkyltetrazoles with a complex and previously poorly accessible periphery. Moreover, it was demonstrated that phthalimide derivatives can be deprotected to afford medicinally relevant N-aminomethyl lactams.
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Affiliation(s)
- Polina Paramonova
- Institute of Chemistry, Saint Petersburg State University, Saint Petersburg 199034, Russia.
| | - Ilia Eliseev
- Department of Chemistry, M. V. Lomonosov Moscow State University, Moscow 119991, Russia
| | - Dmitry Dar'in
- Institute of Chemistry, Saint Petersburg State University, Saint Petersburg 199034, Russia.
- Saint Petersburg Research Institute of Phthisiopulmonology, Saint Petersburg, 191036, Russia
| | - Olga Bakulina
- Institute of Chemistry, Saint Petersburg State University, Saint Petersburg 199034, Russia.
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39
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Vogel J, Miller KF, Shin E, Krussman JM, Melvin PR. Expanded Access to Fluoroformamidines via a Modular Synthetic Pathway. Org Lett 2024; 26:1277-1281. [PMID: 38323858 PMCID: PMC10877594 DOI: 10.1021/acs.orglett.4c00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/01/2024] [Accepted: 02/05/2024] [Indexed: 02/08/2024]
Abstract
Fluoroformamidines are an underutilized and understudied functional group despite combining two of the most highly prized elements in drug design: nitrogen and fluorine. We report a practical and modular synthesis of fluoroformamidines via the rearrangement of in situ-generated amidoximes. High yields in just 60 s at room temperature highlight the efficiency of this protocol. Furthermore, fluoroformamidines proved to be useful intermediates in the synthesis of diverse ureas and carbamimidates.
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Affiliation(s)
- James
A. Vogel
- Department
of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, United States
| | - Kirya F. Miller
- Department
of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, United States
| | - Eunjeong Shin
- Department
of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, United States
| | - Jenna M. Krussman
- Department
of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, United States
| | - Patrick R. Melvin
- Department
of Chemistry, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010, United States
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40
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Perin N, Gulin M, Kos M, Persoons L, Daelemans D, Fabijanić I, Stojković MR, Hranjec M. Synthesis and Biological Evaluation of Novel Amino and Amido Substituted Pentacyclic Benzimidazole Derivatives as Antiproliferative Agents. Int J Mol Sci 2024; 25:2288. [PMID: 38396966 PMCID: PMC10889688 DOI: 10.3390/ijms25042288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 01/25/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Newly designed pentacyclic benzimidazole derivatives featuring amino or amido side chains were synthesized to assess their in vitro antiproliferative activity. Additionally, we investigated their direct interaction with nucleic acids, aiming to uncover potential mechanisms of biological action. These compounds were prepared using conventional organic synthesis methodologies alongside photochemical and microwave-assisted reactions. Upon synthesis, the newly derived compounds underwent in vitro testing for their antiproliferative effects on various human cancer cell lines. Notably, derivatives 6 and 9 exhibited significant antiproliferative activity within the submicromolar concentration range. The biological activity was strongly influenced by the N atom's position on the quinoline moiety and the position and nature of the side chain on the pentacyclic skeleton. Findings from fluorescence, circular dichroism spectroscopy, and thermal melting assays pointed toward a mixed binding mode-comprising intercalation and the binding of aggregated compounds along the polynucleotide backbone-of these pentacyclic benzimidazoles with DNA and RNA.
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Affiliation(s)
- Nataša Perin
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia; (N.P.); (M.G.); (M.K.)
| | - Marjana Gulin
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia; (N.P.); (M.G.); (M.K.)
| | - Marija Kos
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia; (N.P.); (M.G.); (M.K.)
| | - Leentje Persoons
- KU Leuven, Department of Microbiology and Immunology, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium; (L.P.); (D.D.)
| | - Dirk Daelemans
- KU Leuven, Department of Microbiology and Immunology, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium; (L.P.); (D.D.)
| | - Ivana Fabijanić
- Ruđer Bošković Institute, Division of Organic Chemistry and Biochemistry, Bijenička cesta 54, HR-10000 Zagreb, Croatia; (I.F.); (M.R.S.)
| | - Marijana Radić Stojković
- Ruđer Bošković Institute, Division of Organic Chemistry and Biochemistry, Bijenička cesta 54, HR-10000 Zagreb, Croatia; (I.F.); (M.R.S.)
| | - Marijana Hranjec
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia; (N.P.); (M.G.); (M.K.)
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41
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Mirzaie A, Shiri L, Kazemi M, Sadeghifard N, Kaviar VH. Nanomagnetic CoFe 2O 4@SiO 2-EA-H 3PO 4 as a zwitterionic catalyst for the synthesis of bioactive pyrazolopyranopyrimidines and dihydropyrano[2,3- c]pyrazoles. NANOSCALE ADVANCES 2024; 6:1227-1240. [PMID: 38356634 PMCID: PMC10863708 DOI: 10.1039/d3na00900a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/21/2024] [Indexed: 02/16/2024]
Abstract
This study presents the development of a phosphoric acid-based zwitterionic catalyst immobilized on CoFe2O4 nanoparticles [CoFe2O4@SiO2-EA-H3PO4]. The structure of the nanocatalyst CoFe2O4@SiO2-EA-H3PO4 was identified by applying several spectroscopic techniques, i.e. FT-IR, SEM, TEM, XRD, EDX, elemental Mapping, VSM, TGA, and BET techniques. The catalytic efficiency of CoFe2O4@SiO2-EA-H3PO4 was evaluated in the water-based multicomponent synthesis of pyrazolopyranopyrimidine and dihydropyrano[2,3-c]pyrazole derivatives. Subsequently, an exploration of the antibacterial properties of the compounds was conducted. The catalytic system offers several advantages, encompassing high efficiency, brief reaction duration, uncomplicated operation, and facile recycling of the catalyst.
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Affiliation(s)
- Ali Mirzaie
- Department of Chemistry, Faculty of Basic Sciences, Ilam University P. O. Box 69315-516 Ilam Iran
| | - Lotfi Shiri
- Department of Chemistry, Faculty of Basic Sciences, Ilam University P. O. Box 69315-516 Ilam Iran
| | - Mosstafa Kazemi
- Department of Chemistry, Faculty of Basic Sciences, Ilam University P. O. Box 69315-516 Ilam Iran
| | - Nourkhoda Sadeghifard
- Clinical Microbiology Research Center, Ilam University of Medical Sciences Ilam Iran
| | - Vahab Hassan Kaviar
- Clinical Microbiology Research Center, Ilam University of Medical Sciences Ilam Iran
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42
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Javahershenas R, Makarem A, Klika KD. Recent advances in microwave-assisted multicomponent synthesis of spiro heterocycles. RSC Adv 2024; 14:5547-5565. [PMID: 38357035 PMCID: PMC10866134 DOI: 10.1039/d4ra00056k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 01/29/2024] [Indexed: 02/16/2024] Open
Abstract
Spiro heterocycle frameworks are a class of organic compounds that possesses unique structural features making them highly sought-after targets in drug discovery due to their diverse biological and pharmacological activities. Microwave-assisted organic synthesis has emerged as a powerful tool for assembling complex molecular architectures. The use of microwave irradiation in synthetic chemistry is a promising method for accelerating reaction rates and improving yields. This review provides insights into the current state of the art and highlights the potential of microwave-assisted multicomponent reactions in the synthesis of novel spiro heterocyclic compounds that were reported between 2017 and 2023.
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Affiliation(s)
- Ramin Javahershenas
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia Iran
| | - Ata Makarem
- Institute of Pharmacy, University of Hamburg 20146 Hamburg Germany
| | - Karel D Klika
- Molecular Structure Analysis, German Cancer Research Center (DKFZ) 69120 Heidelberg Germany
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43
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Mandić L, Ljubić I, Džeba I. Time-resolved spectroscopic and computational study of the initial events in doxazosin photochemistry. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123595. [PMID: 37948930 DOI: 10.1016/j.saa.2023.123595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 10/13/2023] [Accepted: 10/29/2023] [Indexed: 11/12/2023]
Abstract
Doxazosin is a quinazoline derivative widely used in medicine as a drug. In this study, a combined experimental and computational approach based on the time-dependent density functional theory was used to elucidate the primary events following the photoexcitation of DOX upon interaction with light. The photophysical properties and photochemical reactivity of DOX were investigated by steady-state and time-resolved absorption and fluorescence spectroscopy. DOX in H2O in S0 is present in two prototropic forms, with the protonated form dominating (∼91 %, pKa = 6.75). The computations indicated that the most basic quinazoline nitrogen is at the position 1. Upon excitation, DOX deprotonates in the singlet excited state (pKa* = 1.31), and the decay times from the singlet excited state of 5 ns and 13 ns are attributed to the non-protonated and protonated forms of DOX, respectively. The quantum yield of fluorescence in H2O is 0.51 and 0.64 in basic media. The quantum yield of intersystem crossing along with triplet-triplet molar absorption coefficient at 520 nm and the lifetime of the triplet excited state were obtained by LFP, ΦISC = 0.17, ε520 = 11600 ± 100 M-1 cm-1 and τ = 11 μs, respectively. Furthermore, LFP enabled detection of DOX radical formed by the photoinduced intramolecular electron transfer from the benzodioxane-carbamoyl to the protonated aminoquinazoline. Computations were used to back up the assignments of the detected transients and to construct an energy diagram with all plausible photophysical and photochemical pathways. These results elucidated the mechanisms of DOX photochemistry leading to DOX photodegradation which is relevant to environmental studies. They also provided insights into the potential use of such a quinazoline derivative in other applications such as push-pull chromophores or fluorescent probes.
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Affiliation(s)
- Leo Mandić
- Radiation Chemistry and Dosimetry Laboratory, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia
| | - Ivan Ljubić
- Theoretical Chemistry Group, Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia.
| | - Iva Džeba
- Radiation Chemistry and Dosimetry Laboratory, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia.
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44
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Kowalska J, Łukasik B, Frankowski S, Albrecht Ł. Hydrazone Activation in the Aminocatalytic Cascade Reaction for the Synthesis of Tetrahydroindolizines. Org Lett 2024; 26:814-818. [PMID: 38266767 PMCID: PMC10845150 DOI: 10.1021/acs.orglett.3c03911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 01/26/2024]
Abstract
In this Letter, we demonstrate the usefulness of hydrazone activation for the synthesis of biologically relevant tetrahydroindolizines. A pyrrol-derived hydrazone bearing a Michael acceptor moiety in the N-alkyl side chain has been designed with the aim of participating in the aminocatalytic cascade reaction leading to the annulation of the new six-membered heterocyclic scaffold. The application of (S)-(-)-α,α-diphenyl-2-pyrrolidinemethanol trimethylsilyl ether as the aminocatalyst allows for the iminium ion-enamine-mediated cascade to proceed in a fully stereoselective manner.
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Affiliation(s)
- Justyna Kowalska
- Institute
of Organic Chemistry, Lodz University of
Technology, Żeromskiego 116, 90-924 Łódź, Poland
| | - Beata Łukasik
- Institute
of Organic Chemistry, Lodz University of
Technology, Żeromskiego 116, 90-924 Łódź, Poland
| | - Sebastian Frankowski
- Institute
of Organic Chemistry, Lodz University of
Technology, Żeromskiego 116, 90-924 Łódź, Poland
| | - Łukasz Albrecht
- Institute
of Organic Chemistry, Lodz University of
Technology, Żeromskiego 116, 90-924 Łódź, Poland
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45
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Arzine A, Abchir O, Chalkha M, Chebbac K, Rhazi Y, Barghady N, Yamari I, El Moussaoui A, Nakkabi A, Akhazzane M, Bakhouch M, Chtita S, El Yazidi M. Design, synthesis, In-vitro, In-silico and DFT studies of novel functionalized isoxazoles as antibacterial and antioxidant agents. Comput Biol Chem 2024; 108:107993. [PMID: 38071761 DOI: 10.1016/j.compbiolchem.2023.107993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/24/2023] [Accepted: 11/24/2023] [Indexed: 01/22/2024]
Abstract
A series of new isoxazolederivatives incorporating the sulfonate ester function has been synthesized from 2-benzylidenebenzofuran-3(2 H)-one, known as aurone. The synthesis of the target compounds was carried out following an efficient methodology that allows access to the desired products in a reproducible way and with good yield. The structures of the synthesized compounds were established using NMR (1H and 13C) spectroscopy and mass spectrometry. A theoretical study was performed to optimize the geometrical structures and to calculate the structural and electronic parameters of the synthesized compounds. The calculations were also carried out to understand the influence and the effect of substitutions on the chemical reactivity of the studied compounds. The synthesized isoxazoles were screened for their antioxidant and antibacterial activities. The findings demonstrate that the studied compounds exhibit good to moderate antibacterial activity against the tested bacteria (Staphylococcus aureus, Bacillus subtilis, and Escherichia coli). Moreover, a number of the tested isoxazole derivatives exhibit high effectiveness against DPPH free radicals. Besides that, molecular docking studies were carried out to predict binding affinity and identify the most likely binding interactions between the active molecules and the target microorganisms' proteins. A 100 ns molecular dynamics study was then conducted to examine the dynamic behavior and stability of the highly potent isoxazole 4e in complex with the target bacterial proteins. Finally, the ADMET analyses suggest that all the synthesized isoxazoles have good pharmacokinetic profiles and non-toxicity and non-carcinogenicity in biological systems.
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Affiliation(s)
- Aziz Arzine
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco
| | - Oussama Abchir
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Casablanca B.P 7955, Morocco
| | - Mohammed Chalkha
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco.
| | - Khalid Chebbac
- Laboratory of Biotechnology Conservation and Valorisation of Natural Resources, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdallah University, Fez 30000, Morocco
| | - Yassine Rhazi
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco
| | - Najoua Barghady
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Casablanca B.P 7955, Morocco
| | - Imane Yamari
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Casablanca B.P 7955, Morocco
| | - Abdelfattah El Moussaoui
- Laboratory of Biotechnology, Environment, Agri-Food and Health, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Asmae Nakkabi
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco
| | - Mohamed Akhazzane
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco; Cité de l'innovation, Université Sidi Mohamed Ben Abdellah, Route Immouzer, P.O. Box 2626, Fez 30000, Morocco
| | - Mohamed Bakhouch
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco; Laboratory of Bioorganic Chemistry, Department of Chemistry, Faculty of Sciences, Chouaïb Doukkali University, P.O. Box 24, El Jadida 24000, Morocco
| | - Samir Chtita
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M'Sik, Hassan II University of Casablanca, Casablanca B.P 7955, Morocco
| | - Mohamed El Yazidi
- Engineering Laboratory of Organometallic, Molecular Materials and Environment, Faculty of Sciences Dhar EL Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796 Atlas, Fez 30000, Morocco.
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Vaskevych A, Dekhtyar M, Vovk M. Cyclizations of Alkenyl(Alkynyl)-Functionalized Quinazolinones and their Heteroanalogues: A Powerful Strategy for the Construction of Polyheterocyclic Structures. CHEM REC 2024; 24:e202300255. [PMID: 37830463 DOI: 10.1002/tcr.202300255] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/28/2023] [Indexed: 10/14/2023]
Abstract
Quinazolin-4-one, its heteroanalogues, and derivatives represent an outstandingly important class of compounds in modern organic, medicinal, and pharmaceutical chemistry, as these molecular structures are noted for their wide synthetic and pharmacological potential. In the last years, ever-increasing research attention has been paid to quinazolinone derivatives bearing alkenyl and alkynyl substituents on the pyrimidinone nucleus. The original structural combination of synthetically powerful endocyclic amidine (or amidine-related) and exocyclic unsaturated moieties provides a driving force for cyclizations, which offer an efficient toolkit to construct a variety of fused pyrimidine systems with saturated N- and N,S-heterocycles. In this connection, the present review article is mainly aimed at systematic coverage of the progress in using alkenyl(alkynyl)quinazolinones and their heteroanalogues as convenient bifunctional substrates for regioselective annulation of small- and medium-sized heterocyclic nuclei. Much attention is paid to elucidating the structural and electronic effects of reagents on the regio- and stereoselectivity of the cyclizations as well as to clarifying the relevant reaction mechanisms.
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Affiliation(s)
- Alla Vaskevych
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Academician Kukhar str., 5, Kyiv 02660, Ukraine
| | - Maryna Dekhtyar
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Academician Kukhar str., 5, Kyiv, 02660, Ukraine
| | - Mykhailo Vovk
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Academician Kukhar str., 5, Kyiv, 02660, Ukraine
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47
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Maikhuri VK, Mathur D, Chaudhary A, Kumar R, Parmar VS, Singh BK. Transition-Metal Catalyzed Synthesis of Pyrimidines: Recent Advances, Mechanism, Scope and Future Perspectives. Top Curr Chem (Cham) 2024; 382:4. [PMID: 38296918 DOI: 10.1007/s41061-024-00451-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 01/07/2024] [Indexed: 02/02/2024]
Abstract
Pyrimidine is a pharmacologically important moiety that exhibits diverse biological activities. This review reflects the growing significance of transition metal-catalyzed reactions for the synthesis of pyrimidines (with no discussion being made on the transition metal-catalyzed functionalization of pyrimidines). The effect of different catalysts on the selectivity/yields of pyrimidines and catalyst recyclability (wherever applicable) are described, together with attempts to illustrate the role of the catalyst through mechanisms. Although several methods have been researched for synthesizing this privileged scaffold, there has been a considerable push to expand transition metal-catalyzed, sustainable, efficient and selective synthetic strategies leading to pyrimidines. The aim of the authors with this update (2017-2023) is to drive the designing of new transition metal-mediated protocols for pyrimidine synthesis.
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Affiliation(s)
- Vipin K Maikhuri
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Divya Mathur
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India.
- Department of Chemistry, Daulat Ram College, University of Delhi, Delhi, 110007, India.
| | - Ankita Chaudhary
- Department of Chemistry, Maitreyi College, University of Delhi, Delhi, 110021, India
| | - Rajesh Kumar
- Department of Chemistry, R.D.S College, B.R.A. Bihar University, Muzaffarpur, India
| | - Virinder S Parmar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
- Nanoscience Program, CUNY Graduate Center and Department of Chemistry, City College & Medgar Evers College, The City University of New York, 160 Convent Avenue, New York, NY, 10031, USA
- Institute of Click Chemistry Research and Studies, Amity University, Noida, Uttar Pradesh, 201303, India
| | - Brajendra K Singh
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
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48
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Deng Z, Meng L, Bing X, Niu S, Zhang X, Peng J, Luan YX, Chen L, Tang P. Silver-Enabled Dearomative Trifluoromethoxylation of Indoles. J Am Chem Soc 2024; 146:2325-2332. [PMID: 38232384 DOI: 10.1021/jacs.3c11653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
The only known method for the dearomative trifluoromethoxylation of indoles is preliminary, with only one substrate successfully undergoing the reaction. In this study, we not only developed a broadly applicable method for indole dearomative trifluoromethoxylation but also achieved divergent trifluoromethoxylation by fine-tuning the reaction conditions. Under optimized conditions, with a silver salt and an easily handled OCF3 reagent, various indoles smoothly underwent dearomatization to afford a diverse array of ditrifluoromethoxylated indolines in 50-84% isolated yields with up to 37:1 diastereoselectivity, and fluorinated trifluoromethoxylated indolines were obtained with exclusive trans selectivity. In addition, the reaction conditions were compatible with other heteroaromatic rings as well as styrene moieties.
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Affiliation(s)
- Zhijie Deng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lingduan Meng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiao Bing
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shaoxiong Niu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaofeng Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, China
| | - Junqin Peng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Yu-Xin Luan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Li Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Pingping Tang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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49
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Mohammadikia P, Ramezanpour S, Shiri P, Dehaen W, Achten L. A Highly Efficient Strategy for One-Pot and Pseudo-Six-Component Synthesis of Hexahydroquinolines. ACS OMEGA 2024; 9:4466-4473. [PMID: 38313473 PMCID: PMC10832005 DOI: 10.1021/acsomega.3c06264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 02/06/2024]
Abstract
In this study, a homogeneous acid-catalyzed reaction of a series of benzaldehydes, benzylamines, and Meldrum's acid was presented, allowing the novel one-pot and multicomponent synthesis of hexahydroquinolines with high stereoselectivity. The current strategy has advantages including high regioselectivity, good efficiency, reasonable diversity, utilization of an inexpensive and safe catalyst, and easy purification of products by simple recrystallization. The current reaction utilizes 2 equiv of Meldrum's acid, 3 equiv of benzaldehyde derivatives, and one equiv of amine derivatives to yield (4'S,5'S,7'S)-1'-benzyl-2,2-dimethyl-4',5',7'-triphenyl-3',4',7',8'-tetrahydro-1'H-spiro[[1,3]dioxane-5,6'-quinoline]-2',4,6(5'H)-trione derivatives.
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Affiliation(s)
- Parvin Mohammadikia
- Department
of Chemistry, K. N. Toosi University of
Technology, P.O. Box
15875-4416, Tehran 19697, Iran
| | - Sorour Ramezanpour
- Department
of Chemistry, K. N. Toosi University of
Technology, P.O. Box
15875-4416, Tehran 19697, Iran
| | - Pezhman Shiri
- Department
of Chemistry, K. N. Toosi University of
Technology, P.O. Box
15875-4416, Tehran 19697, Iran
| | - Wim Dehaen
- Molecular
Design and Synthesis, Department of Chemistry, KU Leuven, Leuven 3000, Belgium
| | - Linde Achten
- Molecular
Design and Synthesis, Department of Chemistry, KU Leuven, Leuven 3000, Belgium
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50
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Anichina K, Kaloyanov N, Zasheva D, Rusew R, Nikolova R, Yancheva D, Bakov V, Georgiev N. Self-Assembled Molecular Complexes of 1,10-Phenanthroline and 2-Aminobenzimidazoles: Synthesis, Structure Investigations, and Cytotoxic Properties. Molecules 2024; 29:583. [PMID: 38338328 PMCID: PMC10856035 DOI: 10.3390/molecules29030583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Three new molecular complexes (phen)3(2-amino-Bz)2(H+)(BF4-)·3H2O 5, (phen)3(2-amino-5(6)-methyl-Bz)2(H+)(BF4-)·H2O 6, and (phen)(1-methyl-2-amino-Bz)(H+)(BF4-) 7, were prepared by self-assembly of 1,10-phenanthroline (phen) and various substituted 2-aminobenzimidazoles. Confirmation of their structures was established through spectroscopic methods and elemental analysis. The X-ray diffraction analysis revealed that the crystal structure of 7 is stabilized by the formation of hydrogen bonds and short contacts. In addition, the molecular geometry and electron structure of molecules 5 and 6 were theoretically evaluated using density functional theory (DFT) methods. According to the DFT B3LYP/6-311+G* calculations, the protonated benzimidazole (Bz) units act as NH hydrogen bond donors, binding two phenanthrolines and a BF4- ion. Non-protonated Bz unit form hydrogen bonds with the N-atoms of a third molecule phen. The molecular assembly is held together by π-π stacking between benzimidazole and phenanthroline rings, allowing for N-atoms to associate with water molecules. The complexes were tested in vitro for their tumor cell growth inhibitory effects on prostate (PC3), breast (MDA-MB-231 and MCF-7), and cervical (HeLa) cancer cell lines using MTT-dye reduction assay. The in vitro cytotoxicity analysis and spectrophotometric investigation in the presence of ct-DNA, showed that self-assembled molecules 5-7 are promising DNA-binding anticancer agents warranting further in-depth exploration.
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Affiliation(s)
- Kameliya Anichina
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria; (K.A.); (V.B.)
| | - Nikolay Kaloyanov
- Department of Organic Chemistry, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria; (N.K.); (D.Y.)
| | - Diana Zasheva
- Laboratory of Reproductive OMICs Technologies, Acad. Kiril Bratanov Institute of Biology and Immunology of Reproduction, Bulgarian Academy of Sciences, 73A Tsarigradsko Shosse Blvd., 1113 Sofia, Bulgaria;
| | - Rusi Rusew
- Department of Structural Crystallography and Materials Science, Acad. Ivan Kostov Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad G. Bonchev Str., Build. 107, 1113 Sofia, Bulgaria; (R.R.); (R.N.)
| | - Rositsa Nikolova
- Department of Structural Crystallography and Materials Science, Acad. Ivan Kostov Institute of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad G. Bonchev Str., Build. 107, 1113 Sofia, Bulgaria; (R.R.); (R.N.)
| | - Denitsa Yancheva
- Department of Organic Chemistry, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria; (N.K.); (D.Y.)
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Build. 9, 1113 Sofia, Bulgaria
| | - Ventsislav Bakov
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria; (K.A.); (V.B.)
| | - Nikolai Georgiev
- Department of Organic Synthesis, University of Chemical Technology and Metallurgy, 8 Kliment Ohridski Blvd., 1756 Sofia, Bulgaria; (K.A.); (V.B.)
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