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Citarella A, Vittorio S, Dank C, Ielo L. Syntheses, reactivity, and biological applications of coumarins. Front Chem 2024; 12:1362992. [PMID: 38440776 PMCID: PMC10909861 DOI: 10.3389/fchem.2024.1362992] [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: 12/29/2023] [Accepted: 02/05/2024] [Indexed: 03/06/2024] Open
Abstract
This comprehensive review, covering 2021-2023, explores the multifaceted chemical and pharmacological potential of coumarins, emphasizing their significance as versatile natural derivatives in medicinal chemistry. The synthesis and functionalization of coumarins have advanced with innovative strategies. This enabled the incorporation of diverse functional fragments or the construction of supplementary cyclic architectures, thereby the biological and physico-chemical properties of the compounds obtained were enhanced. The unique chemical structure of coumarine facilitates binding to various targets through hydrophobic interactions pi-stacking, hydrogen bonding, and dipole-dipole interactions. Therefore, this important scaffold exhibits promising applications in uncountable fields of medicinal chemistry (e.g., neurodegenerative diseases, cancer, inflammation).
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Affiliation(s)
- Andrea Citarella
- Dipartimento di Chimica, Università degli Studi di Milano, Milano, Italy
| | - Serena Vittorio
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, Milano, Italy
| | - Christian Dank
- Institute of Organic Chemistry, University of Vienna, Vienna, Austria
| | - Laura Ielo
- Department of Chemistry, University of Turin, Turin, Italy
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2
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Shirisha T, Majhi S, Balasubramanian S, Kashinath D. Metal-free C(sp 3)-H functionalization (C-C and C-N bond formation) of 1,2,3,4-tetrahydroacridines using deep eutectic solvents as catalyst and reaction medium. Org Biomol Chem 2024; 22:1434-1440. [PMID: 38265125 DOI: 10.1039/d3ob01752d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Herein, we report a metal-free and efficient method for the C(sp3)-H functionalization of 1,2,3,4-tetrahydroacridines at the C4-position by the addition of azodicarboxylates (C-N bond) and maleimides (C-C bond) using deep eutectic solvents (DESs) at 80 °C. The C4-functionalized 1,2,3,4-tetrahydroacridines were achieved with high atom efficiency, precise regioselectivity, and yields ranging from 70-96%. The practicality of the developed method has been demonstrated through gram-scale synthesis. Also the green-metrics were calculated for the developed method and it was found that the metrics are near to the ideal values.
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Affiliation(s)
| | - Subir Majhi
- Department of Chemistry, National Institute of Technology, Warangal-506 004, India.
| | - Sridhar Balasubramanian
- Centre for X-ray Crystallography, Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad-500007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201 002, India
| | - Dhurke Kashinath
- Department of Chemistry, National Institute of Technology, Warangal-506 004, India.
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3
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Ibrahim AA, Kospa DA, Hayes OR, Khder AS, El-Hakam SA, Ahmed AI. Cesium salt of tungstophosphoric acid/mesoporous (zirconia-silica) composite for highly efficient synthesis of 7-hydroxy-4-methyl coumarin and removal of methylene blue. RSC Adv 2023; 13:15243-15260. [PMID: 37213348 PMCID: PMC10194047 DOI: 10.1039/d3ra02235h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/10/2023] [Indexed: 05/23/2023] Open
Abstract
The removal of harmful organic dyes from aqueous solutions has drawn the attention of scientists because of the substantial threat they pose to society's worldwide health. Hence, it is crucial to design an adsorbent that is both very effective in removing dyes and has the benefit of being inexpensive. In the present work, Cs salts of tungstophosphoric acid (CPW) supported mesoporous Zr-mSiO2 (mZS) with varying extents of Cs ions have been prepared by a two-step impregnation technique. Accordingly, a lowering in the surface acidity modes was observed after Cs exchanged protons of H3W12O40 and formed salts immobilized on the mZS support. After exchanging the protons with Cs ions, the characterization results revealed that the primary Keggin structure was unaltered. Moreover, the Cs exchanged catalysts had higher surface area than the parent H3W12O40/mZS, suggesting that Cs reacts with H3W12O40 molecules to create new primary particles with smaller sizes possessing inter-crystallite centers with a higher dispersion degree. With an increase in Cs content and thus a decrease in the acid strength and surface acid density, the methylene blue (MB) monolayer adsorption capacities on CPW/mZS catalysts were increased and reached an uptake capacity of 359.9 mg g-1 for Cs3PW12O40/mZS (3.0CPW/mZS). The catalytic formation of 7-hydroxy-4-methyl coumarin was also studied at optimum conditions and it is found that the catalytic activity is influenced by the amount of exchangeable Cs with PW on the mZrS support, which is in turn influenced by the catalyst acidity. The catalyst kept approximately the initial catalytic activity even after the fifth cycle.
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Affiliation(s)
- Amr Awad Ibrahim
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
| | - Doaa A Kospa
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
| | - O R Hayes
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
| | - A S Khder
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
- Chemistry Department, Faculty of Applied Science, Umm Al-Qura University 21955 Makkah Saudi Arabia
| | - S A El-Hakam
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
| | - Awad I Ahmed
- Department of Chemistry, Faculty of Science, Mansoura University Al-Mansoura 35516 Egypt +220502390551
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Saquib M, Ahamad S, Khan MF, Khan MI, Hussain MK. An ultrasound assisted, ionic liquid-molecular iodine synergy driven efficient green synthesis of pyrrolobenzodiazepine-triazole hybrids as potential anticancer agents. Front Pharmacol 2023; 14:1168566. [PMID: 37214464 PMCID: PMC10196072 DOI: 10.3389/fphar.2023.1168566] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 04/17/2023] [Indexed: 05/24/2023] Open
Abstract
Herein, we report an efficient and eco-friendly, ultrasound assisted synthetic strategy for the construction of diversified pyrrolobenzodiazepine-triazole hybrids, which are potentially pharmaceutically important scaffolds, via a domino reaction involving intermolecular electrophilic substitution followed by intramolecular Huisgen 1,3-dipolar azide-alkyne cycloaddition. The USP of the reported protocol is the use of benign and inexpensive, recyclable molecular iodine-ionic liquid synergistic catalytic system cum reaction media for achieving the synthesis. The other salient features of this method are the use of mild reaction conditions, high yield and atom economy, operational simplicity, broad substrate scope and easy workup and purification. All the synthesized compounds were evaluated for in vitro anti-proliferative activity against various cancer cell lines. From among the synthesized title compounds, 9,9-dimethyl-8-phenyl-9H-benzo [b]pyrrolo [1,2-d][1,2,3]triazolo[5,1-g][1,4]diazepine (7) was found most to be the most active compound exhibiting IC50 value of 6.60, 5.45, 7.85, 11.21, 12.24, 10.12, and 11.32 µM against MCF-7, MDA-MB-231, HeLa, SKOV-3, A549, HCT-116 and DLD-1 cell lines, respectively. Further the compounds were found to be non-toxic against normal human embryonic kidney (HEK-293) cell line.
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Affiliation(s)
- Mohammad Saquib
- Department of Chemistry, University of Allahabad, Prayagraj, Uttar Pradesh, India
| | - Shakir Ahamad
- Department of Chemistry, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Mohammad Faheem Khan
- Department of Biotechnology, Era’s Lucknow Medical College, Era University, Lucknow, Uttar Pradesh, India
| | - Mohammad Imran Khan
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Centre of Artificial Intelligence in Precision Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohd Kamil Hussain
- Department of Chemistry, Govt. Raza P.G. College, Rampur, Uttar Pradesh, India
- M.J.P Rohilkahand University, Bareilly, Uttar Pradesh, India
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Perrone S, Messa F, Troisi L, Salomone A. N-, O- and S-Heterocycles Synthesis in Deep Eutectic Solvents. Molecules 2023; 28:molecules28083459. [PMID: 37110694 PMCID: PMC10142562 DOI: 10.3390/molecules28083459] [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: 03/22/2023] [Revised: 04/09/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
The synthesis of heterocycles is a fundamental area of organic chemistry that offers enormous potential for the discovery of new products with important applications in our daily life such as pharmaceuticals, agrochemicals, flavors, dyes, and, more generally, engineered materials with innovative properties. As heterocyclic compounds find application across multiple industries and are prepared in very large quantities, the development of sustainable approaches for their synthesis has become a crucial objective for contemporary green chemistry committed to reducing the environmental impact of chemical processes. In this context, the present review focuses on the recent methodologies aimed at preparing N-, O- and S-heterocyclic compounds in Deep Eutectic Solvents, a new class of ionic solvents that are non-volatile, non-toxic, easy to prepare, easy to recycle, and can be obtained from renewable sources. Emphasis has been placed on those processes that prioritize the recycling of catalyst and solvent, as they offer the dual benefit of promoting synthetic efficiency while demonstrating environmental responsibility.
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Affiliation(s)
- Serena Perrone
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Prov.le Lecce-Monteroni, I-73100 Lecce, Italy
| | - Francesco Messa
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Prov.le Lecce-Monteroni, I-73100 Lecce, Italy
| | - Luigino Troisi
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Prov.le Lecce-Monteroni, I-73100 Lecce, Italy
| | - Antonio Salomone
- Dipartimento di Chimica, Consorzio C.I.N.M.P.I.S., Università degli Studi di Bari "Aldo Moro", Via E. Orabona 4, I-70125 Bari, Italy
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Wagay SA, Ali R. Unraveling the Potential Role of Deep Eutectic Solvents (DESs): Synthesis of Ketazines & Pyrazolines. ChemistrySelect 2023. [DOI: 10.1002/slct.202202779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Shafieq Ahmad Wagay
- Organic and Supramolecular Functional Materials Research Laboratory Department of Chemistry, Jamia Millia Islamia, Okhla New Delhi 110025 India
| | - Rashid Ali
- Organic and Supramolecular Functional Materials Research Laboratory Department of Chemistry, Jamia Millia Islamia, Okhla New Delhi 110025 India
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Ali R, Hasan A. The Criss‐Cross Cycloaddition: A Simple Access to Valuable Heterocycles and Polymers. ChemistrySelect 2022. [DOI: 10.1002/slct.202203610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Rashid Ali
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
| | - Ahmad Hasan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
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Ali R, Siddiqui R. Dithieno[3,2- b:2',3'- d]thiophene (DTT): an emerging heterocyclic building block for future organic electronic materials & functional supramolecular chemistry. RSC Adv 2022; 12:36073-36102. [PMID: 36545080 PMCID: PMC9756821 DOI: 10.1039/d2ra05768a] [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: 09/13/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Heterocyclic compounds being potent biochemical materials are ubiquitous molecules in our life. Amongst, the five membered aromatic ring systems, thiophene has emerged as a remarkable entity in organic electronics owing to its (i) high resonance energy, (ii) more electrophilic reactivity than benzene, (iii) high π-electron density, (iv) planar structure and, (v) presence of vacant d-orbital in addition to the presence of loosely bind lone-pairs of electrons on sulfur atoms. In recent past, thiophene-fused molecule namely, dithienothiophene (DTT) has attracted a tremendous attention of the researchers worldwide due to their potential applicability in organic electronics such as in solar cells, electrochromic devices (ECDs), organic field effect transistors (OFETs), organic limiting diodes (OLEDs), fluorescent probes, redox switching and so forth because of their (i) higher charge mobility, (ii) extended π-conjugation, and (iii) better tuning of band gaps, etc. In this particular review article, we envisioned to report the recent advancements made on the DTT-based architectures not only because of the potential applicability of this valuable scaffold in organic electronic but also to motivate the young researchers worldwide to look for the challenging opportunities related to this privileged building block in both material sciences and functional supramolecular chemistry.
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Affiliation(s)
- Rashid Ali
- Department of Chemistry, Jamia Millia IslamiaJamia Nagar, OkhlaNew Delhi-110025India+91-7011867613
| | - Rafia Siddiqui
- Department of Chemistry, Jamia Millia IslamiaJamia Nagar, OkhlaNew Delhi-110025India+91-7011867613
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Rather I, Alotaibi SH, Alotaibi MT, Altaf M, Ali R. Deep Eutectic Solvent (DES)-Mediated One-Pot Multicomponent Green Approach for Naphthalimide-Centered Acridine-1,8-dione Derivatives and Their Photophysical Properties. ACS OMEGA 2022; 7:35825-35833. [PMID: 36249394 PMCID: PMC9558244 DOI: 10.1021/acsomega.2c04026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
An efficient and green methodology to assemble various functionalized naphthalimide-centered acridine-1,8-dione derivatives involving a one-pot multicomponent protocol has successfully been developed. Herein, a variety of aromatic aldehydes, 1,3-diketones, 1,8-naphthanoic anhydride, and hydrazine hydrate have been condensed under a reusable, inexpensive, and biodegradable deep eutectic solvent (DES) of N,N'-dimethyl urea and l-(+)-tartaric acid to obtain the desired targets under operationally mild reaction conditions with outstanding conversions. Strikingly, in this strategy, the DES plays a dual role of a catalyst and solvent and was recycled efficiently in four consecutive runs with no substantial drop in the yield of the desired product. Interestingly, the easy recovery and high reusability of the DES make this simple yet efficient protocol environmentally desirable. Moreover, the preliminary photophysical properties of thus-prepared valuable molecules have also been investigated by ultraviolet-visible (UV-vis) and fluorescence spectroscopy.
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Affiliation(s)
- Ishfaq
Ahmad Rather
- Organic
and Supramolecular Functional Materials Research Laboratory, Department
of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India
| | - Saad H. Alotaibi
- Department
of Chemistry, Turabah University College,
Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mohammed T. Alotaibi
- Department
of Chemistry, Turabah University College,
Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Mohammad Altaf
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 24555, Riyadh 11451, Saudi Arabia
| | - Rashid Ali
- Organic
and Supramolecular Functional Materials Research Laboratory, Department
of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India
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Rather IA, Ali R, Ali A. Recent developments in calix[4]pyrrole (C4P)-based supramolecular functional systems. Org Chem Front 2022. [DOI: 10.1039/d2qo01298g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Recent advances with calix[4]pyrrole-based supramolecular functional entities in the fields of molecular recognition (receptors, sensors, and metal ion caged systems), self-assembly (polymers), photo/pH-responsive molecular switches and catalysis are reviewed.
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Affiliation(s)
- Ishfaq Ahmad Rather
- Organic and Supramolecular Functional Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi-110025, India
| | - Rashid Ali
- Organic and Supramolecular Functional Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi-110025, India
| | - Ayaaz Ali
- Organic and Supramolecular Functional Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi-110025, India
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