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Draoui Y, Radi S, El Massaoudi M, Bahjou Y, Ouahhoud S, Mamri S, Ferbinteanu M, Benabbes R, Wolff M, Robeyns K, Garcia Y. Coordination Complexes Built from a Ditopic Triazole-Pyrazole Ligand with Antibacterial and Antifungal Performances. Molecules 2023; 28:6801. [PMID: 37836644 PMCID: PMC10574422 DOI: 10.3390/molecules28196801] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 09/23/2023] [Accepted: 09/24/2023] [Indexed: 10/15/2023] Open
Abstract
Four mononuclear complexes (H3O){[NiL3](ClO4)3} (1), [CoL3](ClO4)2·2H2O (2), [CdL2Cl2] (3) and [CuL3](NO3)2 (4) have been prepared employing a newly synthesized 1,2,4-triazole ligand: 3-(3,5-dimethyl-1H-pyrazol-1-yl)-1H-1,2,4-triazole (L). The structures of the complexes, which crystallized in P63/m (1), P-1 (2), P1 (3), and P21/c (4), are reviewed within the context of the cooperative effect of the hydrogen bonding network and counter anions on the supramolecular formations. Moreover, within the framework of biological activity examination, these compounds showed favorable antibacterial performances compared to those of various species of bacteria, including both Gram-positive and Gram-negative strains. Significant antifungal inhibitory activity towards Fusarium oxysporum f. sp. albedinis fungi was recorded for 3 and 4 over the ligand L.
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Affiliation(s)
- Youssef Draoui
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco (M.E.M.)
| | - Smaail Radi
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco (M.E.M.)
| | - Mohamed El Massaoudi
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco (M.E.M.)
| | - Yousra Bahjou
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco (M.E.M.)
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium;
| | - Sabir Ouahhoud
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco
| | - Samira Mamri
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco
| | - Marilena Ferbinteanu
- Inorganic Chemistry Department, Faculty of Chemistry, University of Bucharest, Panduri Road, No. 90, 050663 Bucharest, Romania
| | - Redouane Benabbes
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I, P.O. Box 524, Oujda 60 000, Morocco
| | - Mariusz Wolff
- Institute of Chemical Catalysis, Faculty of Chemistry, Universität Wien, Währinger Straße 38-42, 1090 Wien, Austria;
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium;
| | - Yann Garcia
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium;
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Synthesis and antifungal activity of slow-release pyridinylcarbonyl chitooligosaccharide copper complexes. Carbohydr Polym 2022; 291:119663. [DOI: 10.1016/j.carbpol.2022.119663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/11/2022] [Accepted: 05/24/2022] [Indexed: 11/18/2022]
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Chouhan D, Dutta A, Kumar A, Mandal P, Choudhuri C. Application of nickel chitosan nanoconjugate as an antifungal agent for combating Fusarium rot of wheat. Sci Rep 2022; 12:14518. [PMID: 36008575 PMCID: PMC9411138 DOI: 10.1038/s41598-022-18670-2] [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: 03/23/2022] [Accepted: 08/17/2022] [Indexed: 11/09/2022] Open
Abstract
Agro-researchers are endlessly trying to derive a potential biomolecule having antifungal properties in order to replace the application of synthetic fungicides on agricultural fields. Rot disease often caused by Fusarium solani made severe loss of wheat crops every year. Chitosan and its metallic nano-derivatives hold a broad-spectrum antifungal property. Our interdisciplinary study deals with the application of nickel chitosan nanoconjugate (NiCNC) against Fusarium rot of wheat, in comparison with chitosan nanoparticles (CNPs) and commercial fungicide Mancozeb. CNPs and NiCNC were characterized on the basis of UV–Vis spectrophotometry, HR-TEM, FESEM, EDXS and FT-IR. Both CNPs and NiCNC were found effective against the fungal growth, of which NiCNC at 0.04 mg/mL showed complete termination of F. solani grown in suitable medium. Ultrastructural analysis of F. solani conidia treated with NiCNC revealed pronounced damages and disruption of the membrane surface. Fluorescence microscopic study revealed generation of oxidative stress in the fungal system upon NiCNC exposure. Moreover, NiCNC showed reduction in rot disease incidence by 83.33% of wheat seedlings which was further confirmed through the observation of anatomical sections of the stem. NiCNC application helps the seedling to overcome the adverse effect of pathogen, which was evaluated through stress indices attributes.
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Affiliation(s)
- Divya Chouhan
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Darjeeling, WB, 734013, India
| | - Ankita Dutta
- ANMOL Laboratory, Department of Biotechnology, University of North Bengal, Darjeeling, WB, 734013, India
| | - Anoop Kumar
- ANMOL Laboratory, Department of Biotechnology, University of North Bengal, Darjeeling, WB, 734013, India
| | - Palash Mandal
- Nanobiology and Phytotherapy Laboratory, Department of Botany, University of North Bengal, Darjeeling, WB, 734013, India
| | - Chandrani Choudhuri
- Department of Botany, North Bengal St. Xavier's College, Jalpaiguri, WB, 735134, India.
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Al-Thubaiti EH, El-Megharbel SM, Albogami B, Hamza RZ. Synthesis, Spectroscopic, Chemical Characterizations, Anticancer Capacities against HepG-2, Antibacterial and Antioxidant Activities of Cefotaxime Metal Complexes with Ca(II), Cr(III), Zn(II), Cu(II) and Se(IV). Antibiotics (Basel) 2022; 11:antibiotics11070967. [PMID: 35884222 PMCID: PMC9311782 DOI: 10.3390/antibiotics11070967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 02/01/2023] Open
Abstract
In this study, metal cefotaxime complexes of Ca(II), Cr(III), Cu(II), Zn(II), and Se(VI) were synthesized and characterized by elemental analysis, conductance measurements, IR, electronic spectra, magnetic measurements, 1HNMR, and XRD, as well as by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The lower values for molar conductance refer to the nonelectrolyte nature of the complexes. The FTIR and 1H-NMR spectra for the metal complexes of cefotaxime proved that the free cefotaxime antibiotic ligand acted as a monoanionic tridentate ligand through the oxygen atoms of lactam carbonyl, the carboxylate group, and the nitrogen atoms of the amino group. From the magnetic measurements and electronic spectral data, octahedral structures were proposed for the Cr(III) and Se(VI) complexes, while the Cu(II) complex had tetragonal geometry. This study aimed to investigate the effects of cefotaxime and cefotaxime metal complexes on oxidative stress using antioxidant assays including DPPH, ORAC, FARAB, and ABTS, a metal chelation assay, as well as the inhibition of the viability of cancer cells (HepG-2). Regarding the antibacterial activity, the cefotaxime metal complexes were highly effective against both Bacillus subtilis and Escherichia coli. In conclusion, the cefotaxime metal complexes exhibited highly antioxidant activities. The cefotaxime metal complexes with Zn and Se inhibited HepG-2 cellular viability. Thus, the cefotaxime metal complexes elicited promising results as potent antioxidant and anticancer agents against HepG-2, with potent antibacterial activities at a much lower concentration.
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Affiliation(s)
- Eman H. Al-Thubaiti
- Biotechnology Department, College of Sciences, Taif University, Taif-P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Samy M. El-Megharbel
- Chemistry Department, College of Sciences, Taif University, Taif-P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Bander Albogami
- Biology Department, College of Sciences, Taif University, Taif-P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Reham Z. Hamza
- Biology Department, College of Sciences, Taif University, Taif-P.O. Box 11099, Taif 21944, Saudi Arabia;
- Correspondence: or ; Tel.: +966-531355470
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Draoui Y, Radi S, Tanan A, Oulmidi A, Miras HN, Benabbes R, Ouahhoudo S, Mamri S, Rotaru A, Garcia Y. Novel family of bis-pyrazole coordination complexes as potent antibacterial and antifungal agents. RSC Adv 2022; 12:17755-17764. [PMID: 35765319 PMCID: PMC9198996 DOI: 10.1039/d2ra03414j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 12/30/2022] Open
Abstract
A new pyrazole ligand, N,N-bis(2(1′,5,5′-trimethyl-1H,1′H-[3,3′-bipyrazol]-1-yl)ethyl)propan-1-amine (L) was synthesized and characterized by 1H-NMR, 13C-NMR, FT-IR and HRMS. The coordination ability of the ligand has been employed for the construction of a new family of coordination complexes, namely: [Cu2LCl4] (1), [ML(CH3OH)(H2O)](ClO4)2 (MII = Ni (2), Co (3)) and [FeL(NCS)2] (4). The series of complexes were characterized using single-crystal X-ray diffraction, HRMS, FT-IR and UV-visible spectroscopy. Moreover, the iron(ii) analogue was investigated by 57Fe Mössbauer spectroscopy and SQUID magnetometry. Single-crystal X-ray structures of the prepared complexes are debated within the framework of the cooperative effect of the hydrogen bonding network and counter anions on the supramolecular formations observed. Furthermore, within the context of biological activity surveys, these compounds were reviewed against different types of bacteria to validate their efficiency, including both Gram-positive as well as Gram-negative bacteria. Enhanced behaviour towards Fusarium oxysporum f. sp. albedinis fungi, were detected for 1 and 4. A new pyrazole ligand L and four coordination complexes were synthesized and characterized by different spectroscopic methods. These were found to be promising antibacterial and antifungal agents.![]()
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Affiliation(s)
- Youssef Draoui
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Smaail Radi
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Amine Tanan
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Afaf Oulmidi
- LCAE, Department of Chemistry, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco .,Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain Belgium +32-10472330
| | - Haralampos N Miras
- School of Chemistry, Joseph Black Building, University of Glasgow Glasgow G12 8QQ UK
| | - Redouane Benabbes
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Sabir Ouahhoudo
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Samira Mamri
- Laboratory of Biochemistry and Biotechnology, Department of Biology, Faculty of Science, University Mohamed I P.O. Box 524 Oujda 60 000 Morocco
| | - Aurelian Rotaru
- Department of Electrical Engineering and Computer Science & Research Center MANSiD, "Stefan Cel Mare" University University Street, No. 13 Suceava 720229 Romania
| | - Yann Garcia
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis (IMCN/MOST), Université Catholique de Louvain Belgium +32-10472330
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Ghandhi LHD, Bidula S, Pask CM, Lord RM, McGowan PC. Bis(N-picolinamido)cobalt(II) Complexes Display Antifungal Activity toward Candida albicans and Aspergillus fumigatus. ChemMedChem 2021; 16:3210-3221. [PMID: 34327861 PMCID: PMC8597028 DOI: 10.1002/cmdc.202100159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/14/2021] [Indexed: 11/06/2022]
Abstract
This report highlights the synthesis and characterization of ten new bis(N-picolinamido)cobalt(II) complexes of the type [(L)2 CoX2 ]0/2+ , whereby L=N-picolinamide ligand and X=diisothiocyanato (-NCS), dichlorido (-Cl) or diaqua (-OH2 ) ligands. Single crystal X-ray (SC-XRD) analysis for nine of the structures are reported and confirm the picolinamide ligand is bound to the Co(II) center through a neutral N,O binding mode. With the addition of powder X-ray diffraction (PXRD), we have confirmed the cis and trans ligand arrangements of each complex. All complexes were screened against several fungal species and show increased antifungal activity. Notably, these complexes had significant activity against strains of Candida albicans and Aspergillus fumigatus, with several compounds exhibiting growth inhibition of >80 %, and onecompound inhibiting Aspergillus fumigatus hyphal growth by >90 %. Conversely, no antifungal activity was exhibited toward Cryptococcus neoformans and no cytotoxicity towards mammalian cell lines.
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Affiliation(s)
| | - Stefan Bidula
- School of Biological SciencesUniversity of East AngliaNorwich Research ParkNorwichNR4 7JTUK
| | | | - Rianne M. Lord
- School of ChemistryUniversity of East AngliaNorwich Research ParkNorwichNR4 7JTUK
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Synthesis, structure, DNA/protein molecular docking and biological studies of hydrazone ligand derived Cu(II) and VO(IV) complexes. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120543] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Kundu BK, Pragti, Mobin SM, Mukhopadhyay S. Studies on the influence of the nuclearity of zinc(ii) hemi-salen complexes on some pivotal biological applications. Dalton Trans 2020; 49:15481-15503. [DOI: 10.1039/d0dt02941f] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Experimental and theoretical corroboration of the various biological applications of two nuclearity-dependent dimeric and trimeric Zn(ii) hemi-salen complexes.
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Affiliation(s)
- Bidyut Kumar Kundu
- Discipline of Chemistry
- School of Basic Sciences
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Pragti
- Discipline of Chemistry
- School of Basic Sciences
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Shaikh M. Mobin
- Discipline of Chemistry
- School of Basic Sciences
- Indian Institute of Technology Indore
- Indore 453552
- India
| | - Suman Mukhopadhyay
- Discipline of Chemistry
- School of Basic Sciences
- Indian Institute of Technology Indore
- Indore 453552
- India
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9
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Synthesis, crystal structures, spectral, thermal and antimicrobial properties of new Zn(II) 5-iodo- and 5-bromosalicylates. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.10.094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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10
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El-Saied FA, Shakdofa MM, Tabl ASE, Abd-Elzaher MM, Morsy N. Coordination versatility of N 2 O 4 polydentate hydrazonic ligand in Zn(II), Cu(II), Ni(II), Co(II), Mn(II) and Pd(II) complexes and antimicrobial evaluation. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2017. [DOI: 10.1016/j.bjbas.2017.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Khosravi I, Sahihi M, Rudbari HA, Borhan G, Chavoshpour-Natanzi Z. The Interaction of a New Schiff Base Ligand with Human Serum Albumin: Molecular Docking and Molecular Dynamics Simulation Studies. J MACROMOL SCI B 2017. [DOI: 10.1080/00222348.2017.1356634] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Iman Khosravi
- Department of Chemistry, Qeshm Branch, Islamic Azad University, Qeshm, Iran
| | - Mehdi Sahihi
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | | | - Ghazal Borhan
- Clinical Laboratory, Isfahan University of Medical Science, Isfahan, Iran
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Metal Complexes of Heterocyclic Hydrazone Schiff-Bases: Preparation, Spectral Characterisation and Biological Study. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, TRANSACTIONS A: SCIENCE 2017. [DOI: 10.1007/s40995-017-0187-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Synthesis, physicochemical studies and biological evaluation of unimetallic and heterobimetallic complexes of hexadentate dihydrazone ligands. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2017. [DOI: 10.1016/j.bjbas.2016.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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14
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Ozdemir M, Sonmez M, Sen F, Dincer M, Ozdemir N. Synthesis of a new heterocyclic Schiff base ligand “(E)-5-benzoyl-4-phenyl-1-((pyridin-2-ylmethylene) amino) pyrimidin-2(1H)-one”: An experimental and computational modeling study. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.08.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Singh U, Bukhari MN, Anayutullah S, Alam H, Manzoor N, Hashmi AA. Synthesis, Characterization and Biological Evaluation of Metal Complexes with Water-Soluble Macromolecular Dendritic Ligand. Pharm Chem J 2016. [DOI: 10.1007/s11094-016-1387-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Singh U, Dar MM, Anayutullah S, Alam H, Manzoor N, Al-Thabaiti SA, Hashmi AA. Design and synthesis of Co(II) and Cu(II) complexes of a dendrimeric chelate: promising anticandidal potential of chelotherapeutic agents. J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1040007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Urvashi Singh
- Department of Chemistry, Jamia Millia Islamia University, New Delhi, India
| | | | - Syed Anayutullah
- Department of Chemistry, Jamia Millia Islamia University, New Delhi, India
| | - Hammad Alam
- Department of Biosciences, Jamia Millia Islamia University, New Delhi, India
| | - Nikhat Manzoor
- Department of Biosciences, Jamia Millia Islamia University, New Delhi, India
| | | | - Athar Adil Hashmi
- Department of Chemistry, Jamia Millia Islamia University, New Delhi, India
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Synthesis crystal structure of 2-methoxybenzoylhydrazones and evaluation of their α-glucosidase and urease inhibition potential. Med Chem Res 2014. [DOI: 10.1007/s00044-014-1213-8] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Khan KM, Jamil W, Ambreen N, Taha M, Perveen S, Morales GA. An expeditious synthetic approach towards the synthesis of Bis-Schiff bases (aldazines) using ultrasound. ULTRASONICS SONOCHEMISTRY 2014; 21:1200-1205. [PMID: 24398059 DOI: 10.1016/j.ultsonch.2013.12.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Revised: 10/22/2013] [Accepted: 12/11/2013] [Indexed: 06/03/2023]
Abstract
Aldazines (Bis-Schiff bases) 1-24 were synthesized using aromatic aldehydes (heterocyclic and benzaldehydes) and hydrazine hydrate under reflux using conventional heating and/or via ultrasound irradiation using BiCl3 as catalyst. Ultrasonication conditions with cat. BiCl3 proved to be an effective, environmentally friendly synthetic procedure. This methodology is robust in the presence of electron donating and electron withdrawing groups affording desired products with high yields (>95%) in just a couple of minutes vs. hours using conventional heating.
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Affiliation(s)
- Khalid M Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Waqas Jamil
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; Institute of Advance Research Studies in Chemical Sciences, University of Sindh Jamshoro, Hyderabad 76080, Pakistan
| | - Nida Ambreen
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Muhammad Taha
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; Research Institute of Natural Products for Drug Discovery (RiND), Faculty of Pharmacy, Universiti Teknologi MARA (UiTM), Puncak Alam Campus, 42300 Bandar Puncak Alam, Selangor Darul Ehsan, Malaysia
| | - Shahnaz Perveen
- PCSIR Laboratories Complex, Karachi, Shahrah-e-Dr. Salimuzzaman Siddiqui, Karachi 75280, Pakistan
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Co(II) and Cd(II) complexes derived from heterocyclic Schiff-Bases: synthesis, structural characterisation, and biological activity. THESCIENTIFICWORLDJOURNAL 2014; 2013:754868. [PMID: 24027449 PMCID: PMC3763258 DOI: 10.1155/2013/754868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 07/02/2013] [Indexed: 11/17/2022]
Abstract
New monomeric cobalt and cadmium complexes with Schiff-bases, namely, N′-[(E)-(3-hydroxy-4-methoxyphenyl)methylidene]furan-2-carbohydrazide (L1) and N′-[(E)-(3-hydroxy-4-methoxyphenyl)methylidene]thiophene-2-carbohydrazide (L2) are reported. Schiff-base ligands L1 and L2 were derived from condensation of 3-hydroxy-4-methoxybenzaldehyde (iso-vanillin) with furan-2-carboxylic acid hydrazide and thiophene-2-carboxylic acid hydrazide, respectively. Complexes of the general formula [M(L)2]Cl2 (where M = Co(II) or Cd(II), L = L1 or L2) have been obtained from the reaction of the corresponding metal chloride with the ligands. The ligands and their metal complexes were characterised by spectroscopic methods (FTIR, UV-Vis, 1H, and 13C NMR spectra), elemental analysis, metal content, magnetic measurement, and conductance. These studies revealed the formation of four-coordinate complexes in which the geometry about metal ion is tetrahedral. Biological activity of the ligands and their metal complexes against gram positive bacterial strain Bacillus (G+) and gram negative bacteria Pseudomonas (G−) revealed that the metal complexes become less resistive to the microbial activities as compared to the free ligands.
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Transition Metal(II) Complexes with Cefotaxime-Derived Schiff Base: Synthesis, Characterization, and Antimicrobial Studies. Bioinorg Chem Appl 2014; 2014:926287. [PMID: 24688454 PMCID: PMC3944908 DOI: 10.1155/2014/926287] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Revised: 12/23/2013] [Accepted: 12/27/2013] [Indexed: 12/03/2022] Open
Abstract
New [ML2(H2O)2] complexes, where M = Co(II), Ni(II), Cu(II), and Zn(II) while L corresponds to the Schiff base ligand, were synthesized by condensation of cefotaxime with salicylaldehyde in situ in the presence of divalent metal salts in ethanolic medium. The complexes were characterized by elemental analyses, conductance, and magnetic measurements, as well as by IR and UV-Vis spectroscopy. The low values of the molar conductance indicate nonelectrolyte type of complexes. Based on spectral data and magnetic moments, an octahedral geometry may be proposed for Co(II), Ni(II), and Zn(II) complexes while a tetragonal geometry for Cu(II) complex. Molecular structure of the Schiff base ligand and its complexes were studied using programs dedicated to chemical modeling and quantomolecular calculation of chemical properties. All the synthesized complexes were tested for in vitro antibacterial activity against some pathogenic bacterial strains, namely Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Bacillus subtilis, and Staphylococcus aureus. The MIC values shown by the complexes against these bacterial strains revealed that the metal complexes possess superior antibacterial activity than the Schiff base.
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Raman N, Sobha S, Selvaganapathy M, Mahalakshmi R. DNA binding mode of novel tetradentate amino acid based 2-hydroxybenzylidene-4-aminoantipyrine complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 96:698-708. [PMID: 22885083 DOI: 10.1016/j.saa.2012.07.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Revised: 06/29/2012] [Accepted: 07/11/2012] [Indexed: 06/01/2023]
Abstract
Few transition metal complexes of tetradentate N(2)O(2) donor Schiff base ligands containing 2-hydroxybenzylidene-4-aminoantipyrine and amino acids (alanine/valine) abbreviated to KHL(1)/KHL(2) have been synthesized. All the metal complexes have been fully characterized with the help of elemental analyses, molecular weights, molar conductance values, magnetic moments and spectroscopic data. The Schiff bases KHL(1)/KHL(2) are found to act as tetradentate ligands using N(2)O(2) donor set of atoms leading to a square-planar geometry for the complexes around the metal ions. The binding behaviors of the complexes to calf thymus DNA have been investigated by absorption spectra, viscosity measurements and cyclic voltammetry. The DNA binding constants reveal that all these complexes interact with DNA through minor groove binding mode. The studies on mechanism of photocleavage reveal that singlet oxygen ((1)O(2)) and superoxide anion radical (O(2)(-)) may play an important role in the photocleavage. The Schiff bases and their metal complexes have been screened for their in vitro antibacterial activities against Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Staphylococcus epidermidis, Klebsiella pneumoniae and antifungal activities against Aspergillus niger, Fusarium solani, Culvularia lunata, Rhizoctonia bataicola and Candida albicans by MIC method.
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Affiliation(s)
- N Raman
- Research Department of Chemistry, VHNSN College, Virudhunagar 626 001, India.
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22
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Ali I, Wani WA, Khan A, Haque A, Ahmad A, Saleem K, Manzoor N. Synthesis and synergistic antifungal activities of a pyrazoline based ligand and its copper(II) and nickel(II) complexes with conventional antifungals. Microb Pathog 2012; 53:66-73. [DOI: 10.1016/j.micpath.2012.04.005] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 04/21/2012] [Accepted: 04/23/2012] [Indexed: 12/13/2022]
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23
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Kumari G, Singh RK. Synthesis and in vitro antibacterial activity of schiff bases of N-substituted isatins as effective scaffolds. Med Chem Res 2012. [DOI: 10.1007/s00044-012-0087-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sathyadevi P, Krishnamoorthy P, Alagesan M, Thanigaimani K, Thomas Muthiah P, Dharmaraj N. Synthesis, crystal structure, electrochemistry and studies on protein binding, antioxidant and biocidal activities of Ni(II) and Co(II) hydrazone complexes. Polyhedron 2012. [DOI: 10.1016/j.poly.2011.09.021] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Lakshmi B, Avaji PG, Shivananda K, Nagella P, Manohar S, Mahendra K. Synthesis, spectral characterization and in vitro microbiological evaluation of novel glyoxal, biacetyl and benzil bis-hydrazone macrocyclic Schiff bases and their Co(II), Ni(II) and Cu(II) complexes. Polyhedron 2011. [DOI: 10.1016/j.poly.2011.03.016] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Synthesis, Characterization, and Magnetic and Thermal Studies on Some Metal(II) Thiophenyl Schiff Base Complexes. ACTA ACUST UNITED AC 2011. [DOI: 10.1155/2011/650186] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
4-(Thiophen-3-yl)-aniline undergoes condensation with o-vanillin to form an ONS donor Schiff base, 2-methoxy-6-[(4-thiophene-3-yl-phenylimino)-methyl]-phenol, which forms complexes of the type [ML2]xH2O (where M = Mn, Co, Ni, Cu, Zn, Pd). These complexes are characterized by elemental analysis, 1H nmr, electronic, mass, and IR spectroscopies and conductance measurements. The electronic, IR and CHN data are supportive of a 4-coordinate tetrahedral geometry for Mn(II), Co(II), Ni(II), and Zn(II) complexes and square-planar geometry for Cu(II) and Pd(II) complexes, with the chromophores N2O2. The magnetic data reveals that the complexes are magnetically dilute and mononuclear with exception of the Cu(II) complex, which exhibits some anti-ferromagnetisms. The complexes are air-stable solids, and none is an electrolyte in nitro methane.
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Avaji PG, Kumar CHV, Patil SA, Shivananda KN, Nagaraju C. Synthesis, spectral characterization, in-vitro microbiological evaluation and cytotoxic activities of novel macrocyclic bis hydrazone. Eur J Med Chem 2009; 44:3552-9. [PMID: 19419802 DOI: 10.1016/j.ejmech.2009.03.032] [Citation(s) in RCA: 151] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2008] [Revised: 02/26/2009] [Accepted: 03/12/2009] [Indexed: 11/18/2022]
Affiliation(s)
- Prakash Gouda Avaji
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, Karnataka, India
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28
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Pervez H, Iqbal MS, Tahir MY, Nasim FUH, Choudhary MI, Khan KM. In vitro cytotoxic, antibacterial, antifungal and urease inhibitory activities of some N4- substituted isatin-3-thiosemicarbazones. J Enzyme Inhib Med Chem 2008; 23:848-54. [PMID: 19005943 DOI: 10.1080/14756360701746179] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Humayun Pervez
- Department of Chemistry, Bahauddin Zakariya University, Multan, -60800, Pakistan
| | | | | | | | - Muhammad Iqbal Choudhary
- H.E.J.Research Instuitute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Khalid Mohammed Khan
- H.E.J.Research Instuitute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
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29
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Pervez H, Chohan ZH, Ramzan M, Nasim FUH, Khan KM. Synthesis and biological evaluation of some new N4-substituted isatin-3-thiosemicarbazones. J Enzyme Inhib Med Chem 2008; 24:437-46. [PMID: 18629680 DOI: 10.1080/14756360802188420] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Humayun Pervez
- 1Department of Chemistry, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Zahid Hussain Chohan
- 1Department of Chemistry, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Muhammad Ramzan
- 1Department of Chemistry, Bahauddin Zakariya University, Multan, 60800, Pakistan
| | - Faiz-Ul-Hassan Nasim
- 2Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Khalid Mohammed Khan
- 3H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
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Rehman SU, Chohan ZH, Gulnaz F, Supuran CT. In-vitro antibacterial, antifungal and cytotoxic activities of some coumarins and their metal complexes. J Enzyme Inhib Med Chem 2008; 20:333-40. [PMID: 16206827 DOI: 10.1080/14756360500141911] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
A series of new antibacterial and antifungal coumarin-derived compounds and their transition metal complexes [cobalt (II), copper (II), nickel (II) and zinc (II)] have been synthesized, characterized and screened for their in vitro antibacterial activity against Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Salmonella typhi, Shigella dysenteriae, Bacillus cereus, Corynebacterium diphtheriae, Staphylococcus aureus and Streptococcus pyogenes bacterial strains and for in vitro antifungal activity against Trichophyton longifusus, Candida albicans, Aspergillus flavus, Microsporum canis, Fusarium solani, Candida glaberata. The results of these studies show the metal complexes to be more antibacterial and antifungal as compared to the uncomplexed coumarins. The brine shrimp bioassay was also carried out to study their in vitro cytotoxic properties.
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Affiliation(s)
- Saeed U Rehman
- Department of Chemistry, University of Peshawar, Peshawar, Pakistan
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31
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Pervez H, Iqbal MS, Tahir MY, Choudhary MI, Khan KM. Synthesis of some N4-substituted isatin-3-thiosemicarbazones. Nat Prod Res 2007; 21:1178-86. [PMID: 17987498 DOI: 10.1080/14786410601129770] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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32
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Badawi AM, Azzam EMS, Morsy SMI. Surface and biocidal activity of some synthesized metallo azobenzene isothiouronium salts. Bioorg Med Chem 2006; 14:8661-5. [PMID: 16973363 DOI: 10.1016/j.bmc.2006.08.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2006] [Revised: 08/10/2006] [Accepted: 08/15/2006] [Indexed: 11/28/2022]
Abstract
A novel series of azobenzene isothiouronium salts of different alkyl chains (propyl, hexyl and dodecyl) were synthesized by reaction of 4-((4-methylphenyl)azo)phenol with 1,3-dibromopropane, 1,6-dibromohexane and 1,12-dibromododecane, respectively. These salts were reacted with copper (II) halide to give their corresponding metallo complexes. The surface tension measurements for the synthesized compounds show that the metallo complexes have adsorption and micellization better than that of the parent azobenzene isothiouronium salts. The pathogenic Gram-negative bacteria, Gram-positive bacteria, fungi and yeast were used to determine the biocidal activity of these compounds using gradient plate technique. The results indicate that the copper complexes of the synthesized azobenzene isothiouronium salts have a relatively better biocidal activity than the parent salts.
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Affiliation(s)
- A M Badawi
- Egyptian Petroleum Research Institute, Applied Surfactants Laboratory, Petrochemicals Department, Cairo, Egypt
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Khan KM, Saify ZS, Arif Lodhi M, Butt N, Perveen S, Maharvi GM, Choudhary MI. Piperidines: A new class of Urease inhibitors. Nat Prod Res 2006; 20:523-30. [PMID: 16835082 DOI: 10.1080/1478641500059383] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
A variety of piperidines (2-12, 14-26) with variable substituents at N-atoms have been synthesized and evaluated as urease inhibitors. The synthesized compounds showed varying degree of urease inhibitory activity ranging from 31.97 to 254 microM. The size and electron-donating or -withdrawing effects of substituents influence the activity, which lead to the formation of urease inhibitors.
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Affiliation(s)
- Khalid Mohammed Khan
- H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi-75270, Pakistan.
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