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Bryndal I, Stolarczyk M, Mikołajczyk A, Krupińska M, Pyra A, Mączyński M, Matera-Witkiewicz A. Pyrimidine Schiff Bases: Synthesis, Structural Characterization and Recent Studies on Biological Activities. Int J Mol Sci 2024; 25:2076. [PMID: 38396753 PMCID: PMC10889512 DOI: 10.3390/ijms25042076] [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: 12/30/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Recently, 5-[(4-ethoxyphenyl)imino]methyl-N-(4-fluorophenyl)-6-methyl-2-phenylpyrimidin-4-amine has been synthesized, characterized, and evaluated for its antibacterial activity against Enterococcus faecalis in combination with antineoplastic activity against gastric adenocarcinoma. In this study, new 5-iminomethylpyrimidine compounds were synthesized which differ in the substituent(s) of the aromatic ring attached to the imine group. The structures of newly obtained pyrimidine Schiff bases were established by spectroscopy techniques (ESI-MS, FTIR and 1H NMR). To extend the current knowledge about the features responsible for the biological activity of the new 5-iminomethylpyrimidine derivatives, low-temperature single-crystal X-ray analyses were carried out. For all studied crystals, intramolecular N-H∙∙∙N hydrogen bonds and intermolecular C-H∙∙∙F interactions were observed and seemed to play an essential role in the formation of the structures. Simultaneously, their biological properties based on their cytotoxic features were compared with the activities of the Schiff base (III) published previously. Moreover, computational investigations, such as ADME prediction analysis and molecular docking, were also performed on the most active new Schiff base (compound 4b). These results were compared with the highest active compound III.
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Affiliation(s)
- Iwona Bryndal
- Department of Organic Chemistry and Drug Technology, Faculty of Pharmacy, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (M.S.); (M.M.)
| | - Marcin Stolarczyk
- Department of Organic Chemistry and Drug Technology, Faculty of Pharmacy, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (M.S.); (M.M.)
| | - Aleksandra Mikołajczyk
- Screening Biological Activity Assays and Collection of Biological Material Laboratory, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (A.M.); (M.K.); (A.M.-W.)
| | - Magdalena Krupińska
- Screening Biological Activity Assays and Collection of Biological Material Laboratory, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (A.M.); (M.K.); (A.M.-W.)
| | - Anna Pyra
- Faculty of Chemistry, University of Wroclaw, 14 Joliot-Curie, 50-383 Wrocław, Poland;
| | - Marcin Mączyński
- Department of Organic Chemistry and Drug Technology, Faculty of Pharmacy, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (M.S.); (M.M.)
| | - Agnieszka Matera-Witkiewicz
- Screening Biological Activity Assays and Collection of Biological Material Laboratory, Wroclaw Medical University, 211A Borowska, 50-556 Wrocław, Poland; (A.M.); (M.K.); (A.M.-W.)
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2
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Eldehna WM, Mahmoud ST, Elshnawey ER, Elsayed ZM, Majrashi TA, El-Ashrey MK, Rashed M, Hemeda LR, Shoun AA, Elkaeed EB, El Hassab MA, Abdel-Aziz MM, Shahin MI. Novel indolinone-tethered benzothiophenes as anti-tubercular agents against MDR/XDR M. tuberculosis: Design, synthesis, biological evaluation and in vivo pharmacokinetic study. Bioorg Chem 2024; 143:107009. [PMID: 38070474 DOI: 10.1016/j.bioorg.2023.107009] [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: 09/14/2023] [Revised: 11/04/2023] [Accepted: 11/27/2023] [Indexed: 01/24/2024]
Abstract
Joining the global effort to eradicate tuberculosis, one of the deadliest infectious killers in the world, we disclose in this paper the design and synthesis of new indolinone-tethered benzothiophene hybrids 6a-i and 7a-i as potential anti-tubercular agents. The MICs were determined in vitro for the synthesized compounds against the sensitive M. tuberculosis strain ATCC 25177. Potent compounds 6b, 6d, 6f, 6h, 7a, 7b, 7d, 7f, 7h and 7i were furtherly assessed versus resistant MDR-TB and XDR-TB. Structure activity relationship investigation of the synthesized compounds was illustrated, accordingly. Superlative potency was unveiled for compound 6h (MIC = 0.48, 1.95 and 7.81 µg/mL for ATCC 25177 sensitive TB strain, resistant MDR-TB and XDR-TB, respectively). Moreover, validated in vivo pharmacokinetic study was performed for the most potent derivative 6h revealing superior pharmacokinetic profile over the reference drug. For further exploration of the anti-tubercular mechanism of action, molecular docking was carried out for the former compound in DprE1 active site as one of the important biological targets of TB. The binding mode and the docking score uncovered exceptional binding when compared to the co-crystallized ligand suggesting that it maybe the underlying target for its outstanding anti-tubercular potency.
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Affiliation(s)
- Wagdy M Eldehna
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh 33516, Egypt; Scientific Research and Innovation Support Unit, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt.
| | - Sally Tarek Mahmoud
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Elini St., Cairo, 11562, Egypt
| | - Esraa R Elshnawey
- Scientific Research and Innovation Support Unit, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Zainab M Elsayed
- Scientific Research and Innovation Support Unit, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Taghreed A Majrashi
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Asir 61421, Saudi Arabia
| | - Mohamed K El-Ashrey
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr Elini St., Cairo, 11562, Egypt; Medicinal Chemistry Department, Faculty of Pharmacy, King Salman International University, Ras-Sedr, South Sinai, 46612, Egypt
| | - Mahmoud Rashed
- Pharmaceutical Medicinal Chemistry & Drug Design Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Loah R Hemeda
- Department of Medicinal Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Aly A Shoun
- Microbiology and Immunology Department, Faculty of Pharmacy, El Saleheya El Gadida University, El Saleheya El Gadida, 44813, Egypt
| | - Eslam B Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh 13713, Saudi Arabia
| | - Mahmoud A El Hassab
- Medicinal Chemistry Department, Faculty of Pharmacy, King Salman International University, Ras-Sedr, South Sinai, 46612, Egypt
| | - Marwa M Abdel-Aziz
- The Regional Center for Mycology and Biotechnology, Al-Azhar University, Cairo 11651, Egypt
| | - Mai I Shahin
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt
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3
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Aydin H, Akocak S, Lolak N, Yumrutaş Ö, Uslu U, Bozgeyik I, Üçkardeş F, Günal S, Ceylan O. Evaluation of cytotoxic, antifungal, and larvicidal activities of different bis-sulfonamide Schiff base compounds. J Biochem Mol Toxicol 2023; 37:e23375. [PMID: 37129082 DOI: 10.1002/jbt.23375] [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: 01/21/2022] [Revised: 08/25/2022] [Accepted: 04/14/2023] [Indexed: 05/03/2023]
Abstract
Schiff bases (imines or azomethines) are versatile ligands synthesized from the condensation of amino compounds with active carbonyl groups and used for many pharmaceutical and medicinal applications. In our study, we aimed to determine the cytotoxic, antifungal and larvicidal activities of biologically potent bis-sulfonamide Schiff base derivatives that were re-synthesized by us. For this aim, 16 compounds were re-synthesized and tested for their cytotoxic, antifungal and larvicidal properties. Among this series, compounds A1B2, A1B4, A4B2, A4B3, and A4B4 were shown to have cytotoxic activity against tested cancer lung cell line (A549). The most potent antifungal activity was observed in compounds A2B1 and A2B2 against all fungi. A1B1 showed the strongest larvicidal effect at all concentrations at the 72nd h (100% mortality). These obtained results demonstrate that these type of bis-substituted compounds might be used as biologically potent pharmacophores against different types of diseases.
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Affiliation(s)
- Hasan Aydin
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Adıyaman University, Adıyaman, Türkiye
| | - Süleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Türkiye
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Türkiye
| | - Önder Yumrutaş
- Department of Medical Biology, Faculty of Medicine, Adıyaman University, Adıyaman, Türkiye
| | - Uğur Uslu
- Department of Medical Microbiology, Faculty of Medicine, Selçuk University, Konya, Türkiye
| | - Ibrahim Bozgeyik
- Department of Medical Biology, Faculty of Medicine, Adıyaman University, Adıyaman, Türkiye
| | - Fatih Üçkardeş
- Department of Biostatistics, Adıyaman University, Adıyaman, Türkiye
| | - Selami Günal
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, İnönü University, Malatya, Türkiye
| | - Onur Ceylan
- Department of Parasitology, Faculty of Veterinary Medicine, Selçuk University, Konya, Türkiye
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4
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Hashmi K, Gupta S, Siddique A, Khan T, Joshi S. Medicinal applications of vanadium complexes with Schiff bases. J Trace Elem Med Biol 2023; 79:127245. [PMID: 37406475 DOI: 10.1016/j.jtemb.2023.127245] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/31/2023] [Accepted: 06/15/2023] [Indexed: 07/07/2023]
Abstract
Many transition metal complexes have been explored for their therapeutic properties after the discovery of cisplatin. Schiff bases have an efficient complexation tendency with the transition metals and several medicinal properties have been reported. However, fewer studies have reported the medicinal utility of vanadium and its Schiff base complexes. This paper provides a comprehensive overview of vanadium complexes with Schiff bases along with their mechanistic insight. Vanadium complexes in + 4 and + 5 oxidation states have exhibited well-defined geometry and found to be thermodynamically stable. The studies have reported the G0/G1 phase cell cycle arrest and decreased delta psi m, inducing mitochondrial membrane depolarization in cancer cell lines along with the alterations in the metabolism of the cancer cells upon dosing with the vanadium complexes. Cancer cell invasion and growth are also found to be markedly reduced by peroxo complexes of vanadium. The studies included in the review paper have been taken from leading indexing databases and focus was laid on recent reports in literature. The biological potential of vanadium complexes of Schiff bases opens new horizons for future interdisciplinary studies and investigation focussed on understanding the biochemistry of these complexes, along with designing new complexes which have better bioavailability, solubility and low or non-toxicity.
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Affiliation(s)
- Kulsum Hashmi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Sakshi Gupta
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Armeen Siddique
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India
| | - Tahmeena Khan
- Department of Chemistry, Integral University, Lucknow, UP 226026, India
| | - Seema Joshi
- Department of Chemistry, Isabella Thoburn College, Lucknow, UP 226007, India.
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5
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Cenalmor A, Pascual E, Gil-Manso S, Correa-Rocha R, Suárez JR, García-Álvarez I. Evaluation of Anti-Neuroinflammatory Activity of Isatin Derivatives in Activated Microglia. Molecules 2023; 28:4882. [PMID: 37375437 DOI: 10.3390/molecules28124882] [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: 05/21/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 06/29/2023] Open
Abstract
Neuroinflammation plays a crucial role in the progression of Alzheimer's disease and other neurodegenerative disorders. Overactivated microglia cause neurotoxicity and prolong the inflammatory response in many neuropathologies. In this study, we have synthesised a series of isatin derivatives to evaluate their anti-neuroinflammatory potential using lipopolysaccharide activated microglia as a cell model. We explored four different substitutions of the isatin moiety by testing their anti-neuroinflammatory activity on BV2 microglia cells. Based on the low cytotoxicity and the activity in reducing the release of nitric oxide, pro-inflammatory interleukin 6 and tumour necrosis factor α by microglial cells, the N1-alkylated compound 10 and the chlorinated 20 showed the best results at 25 µM. Taken together, the data suggest that 10 and 20 are promising lead compounds for developing new neuroprotective agents.
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Affiliation(s)
- Alejandro Cenalmor
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Elena Pascual
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain
| | - Sergio Gil-Manso
- Laboratory of Immune-Regulation, Gregorio Marañón Health Research Institute (IISGM), 28009 Madrid, Spain
| | - Rafael Correa-Rocha
- Laboratory of Immune-Regulation, Gregorio Marañón Health Research Institute (IISGM), 28009 Madrid, Spain
| | - José Ramón Suárez
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Isabel García-Álvarez
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria, Pozuelo de Alarcón, 28223 Madrid, Spain
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6
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Majumdar D, Dubey A, Tufail A, Sutradhar D, Roy S. Synthesis, spectroscopic investigation, molecular docking, ADME/T toxicity predictions, and DFT study of two trendy ortho vanillin-based scaffolds. Heliyon 2023; 9:e16057. [PMID: 37251479 PMCID: PMC10220319 DOI: 10.1016/j.heliyon.2023.e16057] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 04/27/2023] [Accepted: 05/04/2023] [Indexed: 05/31/2023] Open
Abstract
In this article, we have synthesized two contemporary ortho-vanillin-based Salen-type ligands (H2L1/H2L2) characterized by modern spectroscopic tools. EDX analysis supports the elemental composition (C, N, O, and Br). SEM examined the morphology of the synthesized compounds. The molecular geometry was optimized in the gas phase using B3LYP-D3/6-311G (d, p) level. The global reactivity parameters, HOMO-LUMO energy gap (Δ), atomic properties, MESP, and ADME/T, vividly explore the chemical reactivity and toxicity of two Salen-type ligands. The DFT simulated IR/NMR characterized essential structural assignments, and UV-Visible spectra were employed to predict the optical properties. The article demonstrated in silico molecular docking against the Gm + ve Bacillus subtilis (6UF6), and Gm -ve Proteus Vulgaris establishes the ligand binding ability with essential amino acids through conventional H-bonding or other significant interactions. The docking simulation is compared for two compounds better than the control drugs and confirms the antimicrobial activity. The theoretical drug-like properties have been explored in-depth by ADME/T using the SWISSADME database. The analysis estimated the molecule's lipophilicity, the consensus P0/W, and water solubility. Thus, using various pharmaco-logical parameters, toxicity explains where the electron-withdrawing Br group plays a more toxic effect in H2L2 than in H2L1.
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Affiliation(s)
- Dhrubajyoti Majumdar
- Department of Chemistry, Tamralipta Mahavidyalaya, Tamluk, 721636, West Bengal, India
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Amit Dubey
- Computational Chemistry and Drug Discovery Division, Quanta Calculus, Greater Noida, Uttar Pradesh, 274203, India
- Department of Pharmacology, Saveetha Dental College, and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, 600077, India
| | - Aisha Tufail
- Computational Chemistry and Drug Discovery Division, Quanta Calculus, Greater Noida, Uttar Pradesh, 274203, India
| | - Dipankar Sutradhar
- School of Advanced Sciences and Languages, VIT Bhopal University, Kothrikalan, Sehore, Madhya Pradesh, 466114, India
| | - Sourav Roy
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, 560 012, India
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7
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Abd Elghany El‐Samahy F, Ahmed Ezet Eldeken G, Mostafa Zayed E, Hassan Osman F, Elgemeie G. A Novel Phosphonates Synthesized from Schiff's Base Indenoquinoxaline Derivatives and its Biological Activity. ChemistrySelect 2023. [DOI: 10.1002/slct.202300639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Fatma Abd Elghany El‐Samahy
- Department of Green Chemistry Chemical Industries Research Institute National Research Centre Dokki Giza Egypt
| | - G. Ahmed Ezet Eldeken
- Department of Green Chemistry Chemical Industries Research Institute National Research Centre Dokki Giza Egypt
| | - Ehab Mostafa Zayed
- Department of Green Chemistry Chemical Industries Research Institute National Research Centre Dokki Giza Egypt
| | - Fayez Hassan Osman
- Department of Green Chemistry Chemical Industries Research Institute National Research Centre Dokki Giza Egypt
| | - Galal Elgemeie
- Chemistry Department Helwan University Helwan Cairo Egypt
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Tahir MN, Ali A, Khalid M, Ashfaq M, Naveed M, Murtaza S, Shafiq I, Asghar MA, Orfali R, Perveen S. Efficient Synthesis of Imine-Carboxylic Acid Functionalized Compounds: Single Crystal, Hirshfeld Surface and Quantum Chemical Exploration. Molecules 2023; 28:molecules28072967. [PMID: 37049730 PMCID: PMC10096040 DOI: 10.3390/molecules28072967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
Two aminobenzoic acid based crystalline imines (HMBA and DHBA) were synthesized through a condensation reaction of 4-aminobenzoic acid and substituted benzaldehydes. Single-crystal X-ray diffraction was employed for the determination of structures of prepared Schiff bases. The stability of super molecular structures of both molecules was achieved by intramolecular H-bonding accompanied by strong, as well as comparatively weak, intermolecular attractive forces. The comparative analysis of the non-covalent forces in HMBA and DHBA was performed by Hirshfeld surface analysis and an interaction energy study between the molecular pairs. Along with the synthesis, quantum chemical calculations were also accomplished at M06/6-311G (d, p) functional of density functional theory (DFT). The frontier molecular orbitals (FMOs), molecular electrostatic potential (MEP), natural bond orbitals (NBOs), global reactivity parameters (GRPs) and natural population (NPA) analyses were also carried out. The findings of FMOs found that Egap for HMBA was examined to be smaller (3.477 eV) than that of DHBA (3.7933 eV), which indicated a greater charge transference rate in HMBA. Further, the NBO analysis showed the efficient intramolecular charge transfer (ICT), as studied by Hirshfeld surface analysis.
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Affiliation(s)
| | - Akbar Ali
- Department of Chemistry, Government College University Faisalabad, Faisalabad 38000, Pakistan
- Correspondence: (A.A.); (M.K.); (R.O.)
| | - Muhammad Khalid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Correspondence: (A.A.); (M.K.); (R.O.)
| | - Muhammad Ashfaq
- Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Mubashir Naveed
- Department of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Shahzad Murtaza
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Iqra Shafiq
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Muhammad Adnan Asghar
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore 54770, Pakistan
| | - Raha Orfali
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
- Correspondence: (A.A.); (M.K.); (R.O.)
| | - Shagufta Perveen
- Department of Chemistry, School of Computer, Mathematical and Natural Sciences, Morgan State University, Baltimore, MD 21251, USA
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Sasikumar G, Subramani A, Tamilarasan R, Rajesh P, Sasikumar P, Albukhaty S, Mohammed MKA, Karthikeyan S, Al-aqbi ZT, Al-Doghachi FAJ, Taufiq-Yap YH. Catalytic, Theoretical, and Biological Investigations of Ternary Metal (II) Complexes Derived from L-Valine-Based Schiff Bases and Heterocyclic Bases. Molecules 2023; 28:molecules28072931. [PMID: 37049692 PMCID: PMC10095770 DOI: 10.3390/molecules28072931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/25/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023] Open
Abstract
A new series of ternary metal complexes, including Co(II), Ni(II), Cu(II), and Zn(II), were synthesized and characterized by elemental analysis and diverse spectroscopic methods. The complexes were synthesized from respective metal salts with Schiff’s-base-containing amino acids, salicylaldehyde derivatives, and heterocyclic bases. The amino acids containing Schiff bases showed promising pharmacological properties upon complexation. Based on satisfactory elemental analyses and various spectroscopic techniques, these complexes revealed a distorted, square pyramidal geometry around metal ions. The molecular structures of the complexes were optimized by DFT calculations. Quantum calculations were performed with the density functional method for which the LACVP++ basis set was used to find the optimized molecular structure of the complexes. The metal complexes were subjected to an electrochemical investigation to determine the redox behavior and oxidation state of the metal ions. Furthermore, all complexes were utilized for catalytic assets of a multi-component Mannich reaction for the preparation of -amino carbonyl derivatives. The synthesized complexes were tested to determine their antibacterial activity against E. coli, K. pneumoniae, and S. aureus bacteria. To evaluate the cytotoxic effects of the Cu(II) complexes, lung cancer (A549), cervical cancer (HeLa), and breast cancer (MCF-7) cells compared to normal cells, cell lines such as human dermal fibroblasts (HDF) were used. Further, the docking study parameters were supported, for which it was observed that the metal complexes could be effective in anticancer applications.
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Affiliation(s)
- Gopalakrishnan Sasikumar
- Department of Chemistry, St. Joseph’s College of Engineering, Chennai 600 119, Tamil Nadu, India
| | - Annadurai Subramani
- Department of biochemistry, Dwaraka Doss Goverdhan Doss Vaishnav College, Chennai 600 106, Tamil Nadu, India
| | - Ramalingam Tamilarasan
- Department of Chemistry, Vel Tech Multi Tech Dr. Rangarajan Dr. Sakunthala Engineering College, Chennai 600 062, Tamil Nadu, India
| | - Punniyamurthy Rajesh
- Department of Physics, Vels Institute of Science, Technology and Advance Studies of Basic Science, Chennai 600 017, Tamil Nadu, India
| | - Ponnusamy Sasikumar
- Department of Physics, Saveetha School of Engineering, SIMATS, Chennai 602 701, Tamil Nadu, India
- Correspondence: (P.S.); (Y.H.T.-Y.)
| | - Salim Albukhaty
- Department of Chemistry, College of Science, University of Misan, Maysan 62001, Misan, Iraq
| | - Mustafa K. A. Mohammed
- Radiological Techniques Department, Al-Mustaqbal University College, Hillah 51001, Babylon, Iraq
| | - Subramani Karthikeyan
- Department of Physics, Periyar University Centre for Post Graduate and Research Studies, Dharmapuri 636 701, Tamil Nadu, India
| | - Zaidon T. Al-aqbi
- College of Agriculture, University of Misan, Al-Amara, Amarah 62001, Misan, Iraq
| | - Faris A. J. Al-Doghachi
- Department of Chemistry, Faculty of Science, University of Basrah, Basra 61004, Basrah, Iraq
| | - Yun Hin Taufiq-Yap
- Catalysis Science and Technology Research Centre, Faculty of Science, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Faculty of Science and Natural Resources, University Malaysia Sabah, Kota Kinabalu 88400, Sabah, Malaysia
- Correspondence: (P.S.); (Y.H.T.-Y.)
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10
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Gavadia R, Rasgania J, Basil MV, Chauhan V, Kumar S, Jakhar K. Synthesis of Isoniazid analogs with Promising Antituberculosis Activity and Bioavailability: Biological Evaluation and Computational Studies. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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11
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Saranya G, Devendraprasad K, Jayanthi P, Shanmugapriya P, Bhuvaneshwari N. Greener and rapid synthesis of benzal-based Schiff base ligands as an efficient antibacterial, antioxidant, and anticancer agent. SYNTHETIC COMMUN 2023. [DOI: 10.1080/00397911.2023.2172349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- G. Saranya
- Department of Chemistry, Chikkaiah Naicker College, Erode, India
| | | | - P. Jayanthi
- KSR College of Engineering, Tiruchengode, India
| | | | - N. Bhuvaneshwari
- Department of Chemistry, Chikkaiah Naicker College, Erode, India
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12
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Yadav A, Kaushik C, Kumar M. Hydrazones tethered disubstituted 1,2,3-triazoles: design, synthesis, antitubercular and antimicrobial evaluation. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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13
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DFT guided substitution effect on azomethine reactive center in newly synthesized Schiff base aromatic scaffolds; syntheses, characterization, single crystal XRD, Hirshfeld surface and crystal void analyses. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Jamil YM, Al-Azab FM, Al-Selwi NA, Alorini T, Al-Hakimi AN. Preparation, physicochemical characterization, molecular docking and biological activity of a novel schiff-base and organophosphorus schiff base with some transition metal(II) ions. MAIN GROUP CHEMISTRY 2023. [DOI: 10.3233/mgc-220101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The two synthesis of Schiff base SB (Indole-3-carboxalidene-1-phenylsemicarbazide) and organophosphorus Schiff base OPSB (Indole-3-carboxalidene diphenylphosphate-1-phenylsemicarbazide) have been prepared and characterized by elemental analyses, IR, 1H-NMR, 13C-NMR, UV–Vis and XRD. A series of complexes of the type [M(SB)2Cl2].2H2O and [M(OPSB)Cl.(H2O)2].Cl, where M = Cu(II), Ni(II) and Co(II) have been synthesized and the chemical structures of them were established by magnetic susceptibility, conductance measurements, elemental analyses, IR, UV–Vis. These results suggest that the metal complexes have octahedral geometry. X-ray powder diffraction analysis of ligands and SB complexes indicate that they are crystalline in nature and within nano range. The molecular docking of [Co(OPSB)Cl.(H2O)2].Cl is discussed using MOE software to understand the binding pattern of the investigated compound towards target proteins Bacillus subtilis (PDB ID: 2RHL), Staphylococcus aureus (PDB ID: 4URM), Escherichia coli (PDB ID: 4PRV), Pseudomonas aeruginosa (PDB ID: 4JVI). All compounds have been evaluated for their antimicrobial. The ligands and OPSB complexes showed high antioxidant activity.
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Affiliation(s)
- Yasmin M.S. Jamil
- Department of Chemistry, Faculty of Science, Sana’a University, Yemen
| | - Fathi M. Al-Azab
- Department of Chemistry, Faculty of Science, Sana’a University, Yemen
| | | | - Thamer Alorini
- Department of Chemistry, College of Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Ahmed N. Al-Hakimi
- Department of Chemistry, College of Sciences, Qassim University, Buraidah, Saudi Arabia
- Department of Chemistry, College of Sciences, Ibb University, Ibb, Yemen
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15
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Bennour HA, Elmagbari FM, Hammouda AN, EL-Ferjani RM, Ben Amer Y, Soliman SM, Jackson GE. Synthesis, characterisation and density functional theory (DFT) studies of a triazine ring with a mixed ligand Schiff base complexes. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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16
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Synthetic approach to achieve halo imine units: Solid-state assembly, DFT based electronic and non linear optical behavior. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139843] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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17
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Synthesis, Characterization, Computational and Biological Activity of Some Schiff Bases and Their Fe, Cu and Zn Complexes. INORGANICS 2022. [DOI: 10.3390/inorganics10080112] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Four new symmetrical Schiff bases derived from 2,2′-diamino-6,6′-dibromo-4,4′-dimethyl-1,1′-biphenyl or 2,2′-diamino-4,4′-dimethyl-1,1′-biphenyl, and 3,5-dichloro- or 5-nitro-salicylaldehyde, were synthesized and reacted with copper-, iron- and zinc-acetate, producing the corresponding complexes. The Schiff bases and their metal complexes were characterized by 1H-, 13C-NMR, IR and UV-Vis spectroscopy and elemental analysis. The structures of one Schiff base and the two zinc complexes were resolved by X-ray structure determination. Density functional theory (DFT) calculations at the B3LYP/6-31G(d) level of the latter compounds were carried out to optimize and examine their molecular geometries. The biomedical applications of the Schiff bases and their complexes were investigated as anticancer or antimicrobial agents.
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18
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Borrego-Muñoz P, Becerra LD, Ospina F, Coy-Barrera E, Quiroga D. Synthesis ( Z) vs ( E) Selectivity, Antifungal Activity against Fusarium oxysporum, and Structure-Based Virtual Screening of Novel Schiff Bases Derived from l-Tryptophan. ACS OMEGA 2022; 7:24714-24726. [PMID: 35874194 PMCID: PMC9301946 DOI: 10.1021/acsomega.2c02614] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Schiff bases are widely used molecules due to their potential biological activity. In this manuscript, we presented the synthesis and NMR study of new enamine Schiff bases derived from l-tryptophan, showing that the Z-form of the enamine is the main tautomeric form for aliphatic precursors. The DFT-B3LYP methodology at the 6-311+G**(d,p) level suggested that the tautomeric imine forms are less stable than the corresponding enamine forms. Their isomerism depends on the formation of intramolecular hydrogen bonds and steric factors associated with the starting carbonyl precursors. The in vitro biological activity tests against Fusarium oxysporum revealed that acetylacetone derivatives are the most active agents (IC50 < 0.9 mM); however, the antifungal activity could be disfavored by bulky groups on ester and enamine moieties. Finally, the structure-based virtual screening through molecular docking and MM-GBSA rescoring revealed that Schiff bases 3e, 3g, and 3j behave putatively as binders for target proteins involved in the life processes of F. oxysporum. In this sense, molecular dynamics analysis showed that the ligand-protein complexes have good stability with root-mean-square deviation (RMSD) values within the allowed range. Therefore, the present study paves the way for designing new antifungal compounds based on l-tryptophan-derived Schiff bases.
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19
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Mohamed GG, Ali SA, Abd El‐Halim HF. Antimicrobial and Bioinformatic Modelling Studies of Isatin Mixed Ligand and Some Ternary Chelates. ChemistrySelect 2022. [DOI: 10.1002/slct.202200602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Gehad G. Mohamed
- Chemistry Department Faculty of Science Cairo University Giza l26l3 Egypt
- Nanoscience Department Basic and Applied Sciences Institute Egypt-Japan University of Science and Technology New Borg El Arab Alexandria 21934 Egypt
| | - Samir A. Ali
- Chemistry Department Faculty of Science Cairo University Giza l26l3 Egypt
| | - Hanan F. Abd El‐Halim
- Pharmaceutical Chemistry Department Faculty of Pharmacy Misr International University Cairo Egypt
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20
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Malik AN, Kuznetsov A, Ali A, Ashfaq M, Tahir MN, Siddique A. Imine-based Zwitterion: Synthesis, single-crystal characterization, and computational investigation. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132237] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Ashfaq M, Khalid M, Tahir MN, Ali A, Arshad MN, Asiri AM. Synthesis of Crystalline Fluoro-Functionalized Imines, Single Crystal Investigation, Hirshfeld Surface Analysis, and Theoretical Exploration. ACS OMEGA 2022; 7:9867-9878. [PMID: 35356686 PMCID: PMC8943585 DOI: 10.1021/acsomega.2c00288] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
This investigation is focused on the synthesis of two halo-functionalized crystalline Schiff base (imine) compounds: (E)-2-methoxy-6-(((3-(trifluoromethyl)phenyl)imino)methyl)phenol (MFIP) and (E)-1-(((2-fluorophenyl)imino)methyl)naphthalen-2-ol (FPIN) by the condensation reaction of substituted benzaldehydes and substituted aniline. The crystal structures of MFIP and FPIN were determined unambiguously by single-crystal X-ray diffraction (SC-XRD) studies. Intermolecular interactions and the role of fluorine atoms in the stabilization of the crystal packing are explored for both compounds using Hirshfeld surface analysis. Accompanied with experimental studies, quantum chemical calculations were also performed for comprehensive structure elucidation at the M06/6-311G(d,p) level of theory. A comparison of experimental and density functional theory results for geometrical parameters exhibited excellent agreement. Interestingly, Frontier molecular orbitals and natural bond orbital (NBO) findings revealed that intramolecular charge transfer and hyper-conjugation interactions had played a significant role to stabilize the molecules. Both compounds exhibited a relatively larger value of hardness with a smaller global softness, which, as proposed by the SC-XRD and NBO study, shows a higher stability. Nonlinear optical (NLO) findings showed that FPIN manifested a larger value of linear polarizability (<a> = 293.06 a.u.) and second-order hyperpolarizability (<γ> = 3.31 × 105 a.u.) than MFIP (<a> = 252.42 and <γ> = 2.08 × 105 a.u.) due to an extended conjugation. The above-mentioned findings of the entitled compounds may play a crucial role in NLO applications.
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Affiliation(s)
- Muhammad Ashfaq
- Department
of Physics, University of Sargodha, Sargodha 40100, Pakistan
| | - Muhammad Khalid
- Department
of Chemistry, Khwaja Fareed University of
Engineering & Information Technology, Rahim Yar Khan 64200, Pakistan
| | | | - Akbar Ali
- Department
of Chemistry, Government College University
Faisalabad, Faisalabad 38000, Pakistan
| | - Muhammad Nadeem Arshad
- Chemistry
Department, Faculty of Science, King Abdulaziz
University, Jeddah 21589 P.O. Box 80203, Saudi
Arabia
- Center
of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah 21589 P.O. Box 80203, Saudi Arabia
| | - Abdullah M. Asiri
- Chemistry
Department, Faculty of Science, King Abdulaziz
University, Jeddah 21589 P.O. Box 80203, Saudi
Arabia
- Center
of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah 21589 P.O. Box 80203, Saudi Arabia
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22
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N-((1 H-Pyrrol-2-yl)methylene)-6-methoxypyridin-3-amine and Its Co(II) and Cu(II) Complexes as Antimicrobial Agents: Chemical Preparation, In Vitro Antimicrobial Evaluation, In Silico Analysis and Computational and Theoretical Chemistry Investigations. Molecules 2022; 27:molecules27041436. [PMID: 35209226 PMCID: PMC8880514 DOI: 10.3390/molecules27041436] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/03/2022] [Accepted: 02/08/2022] [Indexed: 11/17/2022] Open
Abstract
Researchers are interested in Schiff bases and their metal complexes because they offer a wide range of applications. The chemistry of Schiff bases of heterocompounds has got a lot of attention because of the metal's ability to coordinate with Schiff base ligands. In the current study, a new bidentate Schiff base ligand, N-((1H-pyrrol-2-yl)methylene)-6-methoxypyridin-3-amine (MPM) has been synthesized by condensing 6-methoxypyridine-3-amine with pyrrole-2-carbaldehyde. Further, MPM is used to prepare Cu(II) and Co(II) metal complexes. Analytical and spectroscopic techniques are used for the structural elucidation of the synthesized compounds. Both MPM and its metal complexes were screened against Escherichia coli, Bacillus subtilis, Staphylococcus aureus and Klebsiella pneumoniae species for antimicrobial studies. Furthermore, these compounds were subjected to in silico studies against bacterial proteins to comprehend their best non-bonded interactions. The results confirmed that the Schiff base ligand show considerably higher binding affinity with good hydrogen bonding and hydrophobic interactions against various tested microbial species. These results were complemented with a report of the Conceptual DFT global reactivity descriptors of the studied compounds together with their biological scores and their ADMET computed parameters.
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23
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Wagh YB, Dalal KS, Padvi SA, Terdale SS, Dalal DS, Mahulikar PP. Efficient and Greener Synthesis of Functionalized Isoniazid Azomethines from Aromatic Aldehydes and Isatins Using Citric Acid in Aqueous Ethanol. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2015396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yogesh B. Wagh
- School of Chemical Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon, MS, India
| | - Kiran S. Dalal
- School of Life Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon, MS, India
| | - Swapnil A. Padvi
- Department of Chemistry, JET's Z. B. Patil College, Dhule, MS, India
| | - Santosh S. Terdale
- Department of Chemistry, Savitribai Phule Pune University, Pune, MS, India
| | - Dipak S. Dalal
- School of Chemical Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon, MS, India
| | - Pramod P. Mahulikar
- School of Chemical Sciences, Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon, MS, India
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24
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Elsayed ZM, Eldehna WM, Abdel-Aziz MM, El Hassab MA, Elkaeed EB, Al-Warhi T, Abdel-Aziz HA, Abou-Seri SM, Mohammed ER. Development of novel isatin-nicotinohydrazide hybrids with potent activity against susceptible/resistant Mycobacterium tuberculosis and bronchitis causing-bacteria. J Enzyme Inhib Med Chem 2021; 36:384-393. [PMID: 33406941 PMCID: PMC7801109 DOI: 10.1080/14756366.2020.1868450] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/11/2020] [Accepted: 12/17/2020] [Indexed: 01/19/2023] Open
Abstract
Joining the global fight against Tuberculosis, the world's most deadly infectious disease, herein we present the design and synthesis of novel isatin-nicotinohydrazide hybrids (5a-m and 9a-c) as promising anti-tubercular and antibacterial agents. The anti-tubercular activity of the target hybrids was evaluated against drug-susceptible M. tuberculosis strain (ATCC 27294) where hybrids 5d, 5g and 5h were found to be as potent as INH with MIC = 0.24 µg/mL, also the activity was evaluated against Isoniazid/Streptomycin resistant M. tuberculosis (ATCC 35823) where compounds 5g and 5h showed excellent activity (MIC = 3.9 µg/mL). Moreover, the target hybrids were examined against six bronchitis causing-bacteria. Most derivatives exhibited excellent antibacterial activity. K. pneumonia emerged as the most sensitive strain with MIC range: 0.49-7.81 µg/mL. Furthermore, a molecular docking study has proposed DprE1 as a probable enzymatic target for herein reported isatin-nicotinohydrazide hybrids, and explored the binding interactions within the vicinity of DprE1 active site.
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Affiliation(s)
- Zainab M. Elsayed
- Faculty of Pharmacy, Scientific Research and Innovation Support Unit, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Wagdy M. Eldehna
- Faculty of Pharmacy, Scientific Research and Innovation Support Unit, Kafrelsheikh University, Kafrelsheikh, Egypt
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Marwa M. Abdel-Aziz
- The Regional Center for Mycology & Biotechnology, Al-Azhar University, Cairo, Egypt
| | - Mahmoud A. El Hassab
- Department of Pharmaceutical Chemistry, School of Pharmacy, Badr University in Cairo, Badr City, Egypt
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
- Faculty of Pharmacy (Boys), Department of Pharmaceutical Organic Chemistry, Al-Azhar University, Cairo, Egypt
| | - Tarfah Al-Warhi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Hatem A. Abdel-Aziz
- Department of Applied Organic Chemistry, National Research Center, Giza, Egypt
| | - Sahar M. Abou-Seri
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Cairo University, Cairo, Egypt
| | - Eman R. Mohammed
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Cairo University, Cairo, Egypt
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25
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Su M, Yang B, Xi M, Qiang C, Yin Z. Therapeutic effect of pH-Responsive dexamethasone prodrug nanoparticles on acute lung injury. J Drug Deliv Sci Technol 2021; 66:102738. [PMID: 36568326 PMCID: PMC9760482 DOI: 10.1016/j.jddst.2021.102738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/15/2021] [Accepted: 07/17/2021] [Indexed: 12/27/2022]
Abstract
Acute lung injury/inflammation (ALI) is usually caused by various injury factors inside and outside the lung, which can be transformed into acute respiratory distress syndrome (ARDS) in severe cases. Alveolar macrophages play a key role in the pathogenesis of ALI, which regulate inflammatory responses by secreting inflammatory mediators. Therefore, we prepared dexamethasone (DXM)/mannose co-modified branched polyethyleneimine (PEI) (DXM-PEI-mannose, DPM) prodrug nanopartcales, which could effectively target the mannose receptor (MR) on the surface of alveolar macrophages and be used for the treatment of ALI. The DXM-PEI (DP) prodrug was obtained by linking DXM with branched PEI through Schiff base reaction. Subsequently, the pH-responsive DPM prodrug was obtained by using mannose-targeted head modification. The DPM prodrug NPs with a particle size of 115 ± 1 nm, a polydispersity index (PDI) value of 0.054 ± 0.018, and a zeta potential of 31 ± 1 mV were obtained by cross-linking. The drug loading of DPM prodrug NPs measured by the acid hydrolysis method was 51.88%, which had good serum stability and biocompatibility. By comparing the stability and property release of prodrug NPs under different pH (7.4 and 5.0) conditions, it showed that DPM prodrug NPs had certain sensitivity to the micro-acid environment. To study the targeting of mouse mononuclear macrophages, mannose-modified prodrug NPs showed significant in vitro targeting. Moreover, prodrug NPs showed good anti-inflammatory activity in vitro, which was significantly different from free drugs. In vivo biodistribution experiments also showed that it had a long-term lung targeting effect. DPM prodrug NPs also had a good therapeutic effect on ALI. In conclusion, the mannose-modified DXM prodrug NPs delivery system could specifically target lung tissues and have a good therapeutic effect, which might be useful for the treatment of lung diseases.
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Affiliation(s)
- Meiling Su
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, China
| | - Bowen Yang
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Mingrong Xi
- Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Cheng Qiang
- Sichuan Industrial Institute of Antibiotics, Sinopharm Group Corporation, People's Republic of China
| | - Zongning Yin
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, 610041, China,Corresponding author
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26
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Pervaiz M, Sadiq S, Sadiq A, Younas U, Ashraf A, Saeed Z, Zuber M, Adnan A. Azo-Schiff base derivatives of transition metal complexes as antimicrobial agents. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214128] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Raman N, Chandrasekar T. Metallonucleases encompassing curcumin, 2-aminobenzothiazole and o-phenylenediamine: a search for new metallonucleases. INORG NANO-MET CHEM 2021. [DOI: 10.1080/24701556.2021.1993256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Natarajan Raman
- Research Department of Chemistry, VHNSN College, Virudhunagar, India
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28
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Gopalakrishnan AK, Angamaly SA, Velayudhan MP. An Insight into the Biological Properties of Imidazole‐Based Schiff Bases: A Review. ChemistrySelect 2021. [DOI: 10.1002/slct.202102619] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Anjali K. Gopalakrishnan
- Department of Applied Chemistry Cochin University of Science and Technology, Kochi 22 Kerala India
| | - Shanty A. Angamaly
- Department of Applied Chemistry Cochin University of Science and Technology, Kochi 22 Kerala India
| | - Mohanan P. Velayudhan
- Department of Applied Chemistry Cochin University of Science and Technology, Kochi 22 Kerala India
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29
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Immanuel David C, Prabakaran G, Nandhakumar R. Recent approaches of 2HN derived fluorophores on recognition of Al3+ ions: A review for future outlook. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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30
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Johansen MD, Shalini, Kumar S, Raynaud C, Quan DH, Britton WJ, Hansbro PM, Kumar V, Kremer L. Biological and Biochemical Evaluation of Isatin-Isoniazid Hybrids as Bactericidal Candidates against Mycobacterium tuberculosis. Antimicrob Agents Chemother 2021; 65:e0001121. [PMID: 33972252 PMCID: PMC8284457 DOI: 10.1128/aac.00011-21] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 05/04/2021] [Indexed: 11/20/2022] Open
Abstract
Tuberculosis remains a leading cause of mortality among infectious diseases worldwide, prompting the need to discover new drugs to fight this disease. We report here the design, synthesis, and antimycobacterial activity of isatin-mono/bis-isoniazid hybrids. Most of the compounds exhibited very high activity against Mycobacterium tuberculosis, with MICs in the range of 0.195 to 0.39 μg/ml, and exerted a more potent bactericidal effect than the standard antitubercular drug isoniazid (INH). Importantly, these compounds were found to be well tolerated at high doses (>200 μg/ml) on Vero kidney cells, leading to high selectivity indices. Two of the most promising hybrids were evaluated for activity in THP-1 macrophages infected with M. tuberculosis, among which compound 11e was found to be slightly more effective than INH. Overexpression of InhA along with cross-resistance determination of the most potent compounds, selection of resistant mutants, and biochemical analysis, allowed us to decipher their mode of action. These compounds effectively inhibited mycolic acid biosynthesis and required KatG to exert their biological effects. Collectively, this suggests that the synthesized isatin-INH hybrids are promising antitubercular molecules for further evaluation in preclinical settings.
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Affiliation(s)
- Matt D. Johansen
- Centre National de la Recherche Scientifique UMR 9004, Institut de Recherche en Infectiologie de Montpellier (IRIM), Université de Montpellier, Montpellier, France
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, Sydney, NSW, Australia
| | - Shalini
- Department of Chemistry, Guru Nanak Dev University, Punjab, India
| | - Sumit Kumar
- Department of Chemistry, Guru Nanak Dev University, Punjab, India
| | - Clément Raynaud
- Centre National de la Recherche Scientifique UMR 9004, Institut de Recherche en Infectiologie de Montpellier (IRIM), Université de Montpellier, Montpellier, France
| | - Diana H. Quan
- Tuberculosis Research Program, Centenary Institute, The University of Sydney, Camperdown, NSW, Australia
| | - Warwick J. Britton
- Centenary Institute, The University of Sydney, Camperdown, NSW, Australia
- Department of Clinical Immunology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Philip M. Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, Sydney, NSW, Australia
| | - Vipan Kumar
- Department of Chemistry, Guru Nanak Dev University, Punjab, India
| | - Laurent Kremer
- Centre National de la Recherche Scientifique UMR 9004, Institut de Recherche en Infectiologie de Montpellier (IRIM), Université de Montpellier, Montpellier, France
- INSERM, IRIM, Montpellier, France
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31
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Synthesis, computational, anticancerous and antiproliferative effects of some copper, manganese and zinc complexes with ligands derived from symmetrical 2,2’-diamino-4,4’-dimethyl-1,1’-biphenyl-salicylaldehyde. POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2021. [DOI: 10.2478/pjct-2021-0002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Four new symmetrical Schiff bases derived from 2,2’-diamino-4,4’-dimethyl-1,1’-biphenyl-salicylaldehyde have been synthesized and characterized by elemental analysis and different spectroscopic techniques. The reaction of 2,2’-diamino-4,4’-dimethyl-1,1’-biphenyl with two equivalents of 5-tert-butyl-, 3,5-dinitro-, 3,5-dibromo- and 3-tert-butyl-salicylaldehyde yielded 2,2’-bis(5-tert-butyl-salicylideneamino)-4,4’-dimethyl-1,1’-biphenyl (A1) as well as the 3,5-dinitro- (A2), 3,5-dibromo- (A3) and 3-tert-butyl- (A4) substituted derivatives. The tetradentate ligands were then reacted with copper-, manganese- and zinc-acetate producing the tetra-coordinate metal complexes which were characterized by FTIR, UV-Visible spectroscopy, magnetic susceptibility and elemental analysis. Zinc complexes were characterized by 1H-NMR spectroscopy. Density functional theory (DFT) calculations at the B3LYP/6-31G(d) level of theory were carried out to fully optimize and examine the molecular geometries of complexes. Subsequently, IR vibrational and UV-Vis absorption spectra were computed and correlated with the observed values and the results are in good agreement with the experimental data. The anticancerous and antiproliferative activity of the A3 ligand and its metal complexes were determined.
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Afzal H, Khan NUH, Sultana K, Mobashar A, Lareb A, Khan A, Gull A, Afzaal H, Khan MT, Rizwan M, Imran M. Schiff Bases of Pioglitazone Provide Better Antidiabetic and Potent Antioxidant Effect in a Streptozotocin-Nicotinamide-Induced Diabetic Rodent Model. ACS OMEGA 2021; 6:4470-4479. [PMID: 33623853 PMCID: PMC7893790 DOI: 10.1021/acsomega.0c06064] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
Pioglitazone is a Food and Drug Administration-approved thiazolidinedione (TZD) derivative and peroxisome proliferator-activated receptor gamma (PPARγ) agonist and used for the treatment of diabetes mellitus (DM). However, this drug is still associated with many adverse effects. In the present study, four new Schiff bases of pioglitazone (P1-P4) were synthesized and characterized using FTIR, 1HNMR, 13CNMR, mass spectrometry, and elemental analysis. For preliminary screening, the in vitro 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay and in vitro alpha-amylase antidiabetic inhibitory assay were performed. Further, P3 was used to investigate in vivo antioxidant and in vivo antidiabetic effects in a streptozotocin-nicotinamide-induced diabetic rat model. Diabetic rats were administered with an i.p dose of pioglitazone 10 mg/kg body weight for 21 days. Moreover, biochemical parameters and antioxidants were quantified from liver and kidney tissues of rodents. In the DPPH assay, compound P3 showed superior antioxidant effects. Using the in vitro α-amylase inhibitory assay, P3 exhibited potent effects as compared to other groups, that is, 93% inhibition, while pioglitazone showed 81% inhibition. Enzymatic and nonenzymatic antioxidants showed significant changes in P3 (10 mg/kg)-treated groups (p < 0.001). Similarly, compound P3 produced significant and better results in comparison to pioglitazone in the rodent model. This study confirmed potent antidiabetic and superior antioxidant potential of the newly synthesized Schiff base (P3), which could ultimately account for insulin sensitization and for cellular protection and hence provide a potential clue for dual therapeutics.
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Affiliation(s)
- Hafiza
Rabia Afzal
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Najm ul Hassan Khan
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Kishwar Sultana
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Aisha Mobashar
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Aqsa Lareb
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Ayesha Khan
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Abrashim Gull
- Department
of Pharmacy, The University of Lahore, Defense Road Campus, Lahore 54000, Pakistan
| | - Hasan Afzaal
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University, Islamabad 44000 Pakistan
| | - Muhammad Tariq Khan
- Faculty
of Pharmacy, Capital University of Science
and Technology, Islamabad 44000, Pakistan
| | - Muhammad Rizwan
- Center
for Biotechnology and Microbiology, University
of Swat, Swat, Khyber Pakhtunkhwa 44000, Pakistan
| | - Muhammad Imran
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University, Islamabad 44000 Pakistan
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33
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Microwave-Assisted Synthesis of Schiff Bases of Isoniazid and Evaluation of Their Anti-Proliferative and Antibacterial Activities. MOLBANK 2021. [DOI: 10.3390/m1189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Three new Schiff bases of isoniazid were synthesized using microwave-assisted synthesis and conventional condensation with aromatic aldehydes. Synthesized compounds were characterized using elemental analysis, IR, NMR, and Mass spectroscopy. Synthesized compounds were evaluated for antiproliferative activity against MCF-7 cell line. The IC50 values were from 125 to 276 µM. The compounds were also evaluated for antibacterial activity against Staphylococcus aureus and Escherichia coli. Results showed that the synthesized compounds produce significant antibacterial activity in vitro. Inhibition of compounds ranged from 13 to 18 mm.
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Mir JM, Majid SA, Shalla AH. Enhancement of Schiff base biological efficacy by metal coordination and introduction of metallic compounds as anticovid candidates: a simple overview. REV INORG CHEM 2021. [DOI: 10.1515/revic-2020-0020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Abstract
In the prevailing apocalyptic times of coronavirus disease (COVID-19), the whole scientific community is busy in designing anticovid drug or vaccine. Under such a fascination, Schiff bases or azomethine compounds are continuously interrogated for antimicrobial properties. These compounds represent interesting molecular scaffolds of huge medicinal and industrial relevance. In order to update the current literature support of such facts this article introduces the synthetic chemistry, mechanism of formation of a Schiff base, followed by biological efficacy and finally a suitable discussion on the mechanism of respective bioactivity. In most of the studies revealing the biological evaluation of azomethine functionalized frameworks, fascinated results have been recorded in case of azomethine-metal complexes as compared with the free ligands. Also, the CH=N or C=N form of organic ligands have indicated marvellous results. Therefore, in connection with the biological relevance and microbicidal implications of such metallic compounds, this works reviews the current update of microorganism fighting efficacy of azomethine metal complexes along with the introduction of some metallodrugs as excellent candidates having COVID-19 defending potentiality.
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Affiliation(s)
- Jan Mohammad Mir
- Department of Chemistry , Islamic University of Science and Technology, Awantipora , Pulwama , J & K , 192122 , India
| | - Sheikh Abdul Majid
- Department of Chemistry , Islamic University of Science and Technology, Awantipora , Pulwama , J & K , 192122 , India
| | - Aabid Hussain Shalla
- Department of Chemistry , Islamic University of Science and Technology, Awantipora , Pulwama , J & K , 192122 , India
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35
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Chauhan G, Pathak DP, Ali F, Bhutani R, Kapoor G, Khasimbi S. Advances in Synthesis, Derivatization and Bioactivity of Isatin: A Review. Curr Org Synth 2021; 18:37-74. [DOI: 10.2174/1570179417666200924150907] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/24/2020] [Accepted: 08/31/2020] [Indexed: 01/03/2023]
Abstract
Background:
Isatin (IST) is a crucial pharmacologically active compound, chemically known as indole-
1H-2,3-dione. Development of different IST based analogues acquired significant awareness because of its
pronounced therapeutic importance such as analgesic, anticancer, anti-inflammatory, antitubercular, antimicrobial,
antifungal, antiviral (effective against SARS coronavirus 3C protease) and many other activities, and represents
an important class of heterocyclic compounds that can be used as a precursor for the synthesis of many useful
drugs.
Objective:
Previously, many articles were reported on IST synthesis and its different pharmacological activities
but herein, we mentioned 59 different synthesis schemes of several IST derivatives/hybrids derived from the substitution
of the nitrogen, aromatic ring, the second and third position of IST along with most potent molecule
among each of synthesized libraries with their structural activity relationship (SAR). Using these standardized
approaches, several biologically important compounds were developed like sunitinib, nintedanib, indirubin, etc
and several studies have been carried out nowadays to develop newer compounds having fewer side effects and
also overcome the problem of resistance.
Conclusion:
This report critically reviews the different strategies for the designs and synthesis of several IST
based compounds having different biological activities with SAR, which can favour further investigation and
modification for the development of new and more potent entities.
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Affiliation(s)
- Garima Chauhan
- Department of Pharmaceutical Chemistry, Delhi Institute of Pharmaceutical Science and Research (DIPSAR),Mehrauli-Badarpur Road, Sector 3, Pushp Vihar, New Delhi, India
| | - Dharam Pal Pathak
- Department of Pharmaceutical Chemistry, Delhi Institute of Pharmaceutical Science and Research (DIPSAR),Mehrauli-Badarpur Road, Sector 3, Pushp Vihar, New Delhi, India
| | - Faraat Ali
- Department of Pharmaceutical Chemistry, Delhi Institute of Pharmaceutical Science and Research (DIPSAR),Mehrauli-Badarpur Road, Sector 3, Pushp Vihar, New Delhi, India
| | - Rubina Bhutani
- School of Medical and Allied Sciences, G D Goenka University, Gurugram, Sohna, Haryana, India
| | - Garima Kapoor
- KIET Group of Institutions, Ghaziabad- Meerut Highway, NH-58, Ghaziabad, Uttar Pradesh, India
| | - Shaik Khasimbi
- Department of Pharmaceutical Chemistry, Delhi Institute of Pharmaceutical Science and Research (DIPSAR),Mehrauli-Badarpur Road, Sector 3, Pushp Vihar, New Delhi, India
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36
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Kamal A, Singh HK, Kumar D, Maury SK, Kumari S, Srivastava V, Singh S. Visible Light‐Induced Cu‐Catalyzed Synthesis of Schiff's Base of 2‐ Amino Benzonitrile Derivatives and Acetophenones. ChemistrySelect 2021. [DOI: 10.1002/slct.202003950] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Arsala Kamal
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Himanshu Kumar Singh
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Dhirendra Kumar
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Suresh Kumar Maury
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Savita Kumari
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Vandana Srivastava
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
| | - Sundaram Singh
- Department of Chemistry Indian Institute of Technology (BHU) Varanasi 221005, U.P. India
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37
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Nadaf AA, Bulbule SR, Yaseen M, Najare MS, Mantur S, Khazi IAM. Synthesis of 1,2‐Disubstituted Imidazole Derivatives as Potent Inhibitors of
Mycobacterium tuberculosis
and Their In Silico Studies. ChemistrySelect 2021. [DOI: 10.1002/slct.202003731] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- AfraQuasar A. Nadaf
- Department of Chemistry Karnatak University Dharwad 580003 Karnataka India
- Department of Chemistry K. L. E Soceity's P. C. Jabin Science College Hubli Karnataka India
| | - Sarojini R. Bulbule
- Department of Biochemistry Karnataka University Dharwad Karanataka Dharwad India 580003
| | - Mohammed Yaseen
- Department of Chemistry Karnatak University Dharwad 580003 Karnataka India
| | - Mahesh S. Najare
- Department of Chemistry Karnatak University Dharwad 580003 Karnataka India
| | - Shivaraj Mantur
- Department of Chemistry Karnatak University Dharwad 580003 Karnataka India
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38
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Saeed AM, AlNeyadi SS, Abdou IM. Anticancer activity of novel Schiff bases and azo dyes derived from 3-amino-4-hydroxy-2H-pyrano[3,2-c]quinoline-2,5(6H)-dione. HETEROCYCL COMMUN 2020. [DOI: 10.1515/hc-2020-0116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Abstract
New Schiff bases and azo dyes derivatives have been synthesized via appropriate conventional methods using pyranoquinolinone as a starting material. The compounds obtained were characterized by spectral analysis and evaluated for anticancer activity in several human tumor cell lines: MCF-7 breast cancer, HepG2 liver cancer and HCT-116 colon carcinoma. 5-fluorouracil was used as a reference drug. The in vitro cytotoxicity screening results revealed that all tested compounds showed promising activity against MCF-7 cells. In particular, compounds 6a, 6b, and 7b showed excellent activity against the three human tumor cell lines. Structure-activity relationship studies indicated that the azo derivative with a trifluoromethoxy group (compound 7b) was the most potent candidate against the three human tumor cell lines (IC50, 1.82-8.06 μg/mL). Our findings highlight pyranoquinolinone analogues as a promising class of compounds for new anticancer therapies.
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Affiliation(s)
| | - Shaikha S. AlNeyadi
- Department of Chemistry, College of Science, UAE University Al-Ain , Al-Ain UAE
| | - Ibrahim M. Abdou
- Department of Chemistry, College of Science, UAE University Al-Ain , Al-Ain UAE
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39
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Niveditha N, Begum M, Prathibha D, Sirisha K, Mahender P, Chitra C, Rao VR, Reddy VM, Achaiah G. Design, Synthesis and Pharmacological Evaluation of Some C 3 Heterocyclic-Substituted Ciprofloxacin Derivatives as Chimeric Antitubercular Agents. Chem Pharm Bull (Tokyo) 2020; 68:1170-1177. [DOI: 10.1248/cpb.c20-00525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Nakka Niveditha
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
| | - Munnisa Begum
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
| | | | - Kalam Sirisha
- Medicinal Chemistry Research Division, Vaagdevi College of Pharmacy
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40
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Alshammari MB, Ramadan M, Aly AA, El-Sheref EM, Bakht MA, Ibrahim MAA, Shawky AM. Synthesis of potentially new schiff bases of N-substituted-2-quinolonylacetohydrazides as anti-COVID-19 agents. J Mol Struct 2020; 1230:129649. [PMID: 33223566 PMCID: PMC7668221 DOI: 10.1016/j.molstruc.2020.129649] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 02/07/2023]
Abstract
We report herein a new series of synthesized N-substituted-2-quinolonylacetohydrazides aiming to evaluate their activity towards SARS-CoV-2. The structures of the obtained products were fully confirmed by NMR, mass, IR spectra and elemental analysis as well. Molecular docking calculations showed that most of the tested compounds possessed good binding affinity to the SARS-CoV-2 main protease (Mpro) comparable toRemdesivir.
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Affiliation(s)
- Mohammed B Alshammari
- Chemistry Department, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box 83, Al-Kharij 11942, Saudi Arabia
| | - Mohamed Ramadan
- Department of Organic Pharmacy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Egypt
| | - Ashraf A Aly
- Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
| | - Essmat M El-Sheref
- Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
| | - Md Afroz Bakht
- Chemistry Department, College of Sciences and Humanities, Prince Sattam bin Abdulaziz University, P.O. Box 83, Al-Kharij 11942, Saudi Arabia
| | - Mahmoud A A Ibrahim
- Chemistry Department, Faculty of Science, Minia University, El-Minia 61519, Egypt
| | - Ahmed M Shawky
- Science and Technology Unit (STU), Umm Al-Qura University, Makkah 21955, Saudi Arabia
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41
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Synthesis of Fe3O4-supported Schiff base Cu (II) complex: a novel efficient and recyclable magnetic nanocatalyst for one-pot three-component synthesis of quinolin-5-one, chromene-3-carbonitrile and phthalazine-5,10-dione derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04293-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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42
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Ahmed SM, Shaaban IA, El-Mossalamy EH, Mohamed TA. Synthesis, Conformational Analysis, Infrared, Raman and UV-Visible Spectra of Novel Schiff Bases compiled with DFT Calculations. Comb Chem High Throughput Screen 2020; 23:568-586. [DOI: 10.2174/1386207323666200127161207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/01/2019] [Accepted: 11/14/2019] [Indexed: 11/22/2022]
Abstract
Objective:
Two novel Schiff bases named, 2-((2-Hydroxybenzylidene)amino)-4,5,6,7-
tetrahydrobenzo[b] thiophene-3-carbonitrile (BESB1) and 2-((Furan-2-ylmethylene)amino)-4,5,6,
7-tetrahydro-benzo[b]thiophene-3-carbonitrile (BESB2) were synthesized.
Methods:
The structures were characterized based on CHN elemental analysis, mid-infrared (400–
4000 cm-1), Raman (100-4000 cm-1), 1H NMR, mass and UV-Vis spectroscopic measurements. In
addition, quantum mechanical calculations using DFT-B3LYP method at 6-31G(d) basis set were
carried out for both Schiff bases. Initially, we have carried out complete geometry optimizations
followed by frequency calculations for the proposed conformational isomers; BESB1 (A–E) and
BESB2 (F–J) based on the orientations of both CN and OH groups against the azomethine lonepair
(NLP) in addition to the 3D assumption.
Results:
The computational outcomes favor conformer A for BESB1 in which the C≡N and OH
moieties are cis towards the NLP while conformer G is preferred for BESB2 (the C≡N/furan-O are
cis/trans towards the NLP) which was found consistent with the results of relaxed potential energy
surface scan. Aided by normal coordinate analysis of the Cartesian coordinate displacements, we
have suggested reliable vibrational assignments for all observed IR and Raman bands. Moreover,
the electronic absorption spectra for the favored conformers were predicted in DMSO solution
using TD-B3LYP/6-31G(d) calculations. Similarly, the 1H NMR chemical shifts were also
estimated using GIAO approach implementing PCM including solvent effects (DMSO-d6).
Conclusion:
Proper interpretations of the observed electronic transition, chemical shifts, IR and
Raman bands were presented in this study.
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Affiliation(s)
- Samy M. Ahmed
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Ibrahim A. Shaaban
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt
| | | | - Tarek A. Mohamed
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City 11884, Cairo, Egypt
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43
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Mumtaz A, Mahmud T, Khalid M, Khan H, Sadia A, Samra MM, Basra MAR. Biological Evaluation of Synthesized Schiff Base-Metal Complexes Derived from Sulfisomidine. J Pharm Innov 2020. [DOI: 10.1007/s12247-020-09476-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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44
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Pund AA, Saboo SS, Sonawane GM, Dukale AC, Magare BK. Synthesis of 2,5-disubstituted-1,3,4-thiadiazole derivatives from (2S)-3-(benzyloxy)-2-[(tert-butoxycarbonyl) amino] propanoic acid and evaluation of anti-microbial activity. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1817488] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Amit A. Pund
- UG, PG and Research Centre, Department of Chemistry, Shivaji Arts Commerce and Science College, Aurangabad, Maharashtra, India
| | - Shweta S. Saboo
- Government College of Pharmacy, Aurangabad, Maharashtra, India
| | | | - Amol C. Dukale
- Swami Muktanand College of Science Yeola, District Nashik, Maharashtra, India
| | - Baban K. Magare
- UG, PG and Research Centre, Department of Chemistry, Shivaji Arts Commerce and Science College, Aurangabad, Maharashtra, India
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45
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Nayak SG, Poojary B, Kamat V. Novel pyrazole-clubbed thiophene derivatives via Gewald synthesis as antibacterial and anti-inflammatory agents. Arch Pharm (Weinheim) 2020; 353:e2000103. [PMID: 32893908 DOI: 10.1002/ardp.202000103] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 08/11/2020] [Accepted: 08/13/2020] [Indexed: 12/20/2022]
Abstract
The aim of this study was to synthesize newer potent Schiff bases by condensing 2-amino-5-(2,4-dichlorophenyl)thiophene-3-carbonitrile and 1,3-disubstituted-1H-pyrazole-4-carbaldehydes, and to investigate their biological activity. The compounds were synthesized via Gewald synthesis and characterized by spectral data and elemental analyses. They were screened for their in vitro antibacterial and anti-inflammatory activities. The synthesized compounds were also evaluated for in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv using the microplate Alamar Blue assay. Compounds 8b, 8c, 8f, 8g, 8k, 8n, and 8o showed promising antibacterial activity. The interactions between the substituted pyrazoles and bovine protein showed promising anti-inflammatory activity. The experimental results revealed compound 8a as a promising antitubercular agent. Hemolytic assays confirmed that the compounds are nontoxic, with percentage hemolysis ranging from 3.6 to 20.1, at a concentration of 1 mg/ml. The results suggest that the pyrazole ring and the substitution pattern on the heterocyclic moiety have an effect on the bioactivity.
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Affiliation(s)
| | - Boja Poojary
- Department of Chemistry, Mangalore University, Mangaluru, Karnataka, India
| | - Vinuta Kamat
- Department of Chemistry, Mangalore University, Mangaluru, Karnataka, India
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46
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Hajam TA, Saleem H, Padhusha MSA, Mohammed Ameen KK. Synthesis, quantum chemical calculations and molecular docking studies of 2-ethoxy-4[(2-trifluromethyl-phenylimino)methyl]phenol. Mol Phys 2020. [DOI: 10.1080/00268976.2020.1781945] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | - H. Saleem
- Department of Physics, Annamalai University, Annamalainagar, India
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47
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Swain SS, Paidesetty SK, Padhy RN, Hussain T. Isoniazid-phytochemical conjugation: A new approach for potent and less toxic anti-TB drug development. Chem Biol Drug Des 2020; 96:714-730. [PMID: 32237023 DOI: 10.1111/cbdd.13685] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 12/13/2022]
Abstract
Mycobacterium tuberculosis (Mtb) causes one of the most grievous pandemic infectious diseases, tuberculosis (TB), with long-term morbidity and high mortality. The emergence of drug-resistant Mtb strains, and the co-infection with human immunodeficiency virus, challenges the current WHO-TB stewardship programs. The first-line anti-TB drugs, isoniazid (INH) and rifampicin (RIF), have become extensively obsolete in TB control from chromosomal mutations during the last decades. However, based on clinical trial statistics, the production of well-tolerated anti-TB drug(s) is miserably low. Alternately, semi-synthesis or structural modifications of first-line obsolete antitubercular drugs remain as the versatile approach for getting some potential medicines. The use of any suitable phytochemicals with INH in a hybrid formulation could be an ideal approach for the development of potent anti-TB drug(s). The primary objective of this review was to highlight and analyze available INH-phytochemical hybrid research works. The utilization of phytochemicals through chemical conjugation is a new trend toward the development of safer/non-toxic anti-TB drugs.
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Affiliation(s)
- Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India.,Central Research Laboratory, Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Sudhir K Paidesetty
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Rabindra N Padhy
- Central Research Laboratory, Institute of Medical Sciences and SUM Hospital, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Tahziba Hussain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India
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48
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Uzzaman M, Junaid M, Uddin MN. Evaluation of anti-tuberculosis activity of some oxotitanium(IV) Schiff base complexes; molecular docking, dynamics simulation and ADMET studies. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2644-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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49
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Metal-free Catalyzed One-Pot Multicomponent Synthesis of (E)-3-(2-((5-(Benzylideneamino)-1,3,4-thiadiazol-2-yl)thio) Acetyl)-2 H-chromen-2-one Derivatives and Their Biological Evaluation. J CHEM-NY 2020. [DOI: 10.1155/2020/4869279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A series of (E)-3-(2-((5-(benzylideneamino)-1,3,4-thiadiazol-2-yl)thio) acetyl)-2H-chromen-2-one and its derivatives (4a-h) have been obtained using a one-pot multicomponent reaction with good yields. The compounds have been synthesized from 3-(2-bromoacetyl)chromen-2-ones (1), 5-amino-1,3,4-thiadiazole-2-thiol (2), and substituted benzaldehydes (3) in anhydrous ethanol and conc. H2SO4. Subsequently, all the synthesized compounds have been screened for their antimicrobial activity and characterized by analytical and spectral data.
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50
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Synthesis, Characterization and Antibacterial Activity of Schiff Base, 4-Chloro-2-{(E)-[(4-Fluorophenyl)imino]methyl}phenol Metal (II) Complexes. J CHEM-NY 2020. [DOI: 10.1155/2020/1745236] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A new series of Mn (II), Co (II), Ni (II), Cu (II), and Zn (II) complexes of the Schiff base ligand, 4-chloro-2-{(E)-[(4-fluorophenyl)imino]methyl}phenol (C13H9ClFNO), was synthesized in a methanolic medium. The Schiff base was derived from the condensation reaction of 5-chlorosalicylaldehyde and 4-fluoroaniline at room temperature. Elemental analysis, FT-IR, UV-Vis, and NMR spectral data, molar conductance measurements, and melting points were used to characterize the Schiff base and the metal complexes. From the elemental analysis data, the metal complexes formed had the general formulae [M(L)2(H2O)2], where L = Schiff base ligand (C13H9ClFNO) and M = Mn, Co, Ni, Cu, and Zn. On the basis of FT-IR, electronic spectra, and NMR data, “O” and “N” donor atoms of the Schiff base ligand participated in coordination with the metal (II) ions, and thus, a six coordinated octahedral geometry for all these complexes was proposed. Molar conductance studies on the complexes indicated they were nonelectrolytic in nature. The Schiff base ligand and its metal (II) complexes were tested in vitro to evaluate their bactericidal activity against Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa) and Gram-positive bacteria (Bacillus subtilis and Staphylococcus typhi) using the disc diffusion method. The antibacterial evaluation results revealed that the metal (II) complexes exhibited higher antibacterial activity than the free Schiff base ligand.
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