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Harmalkar SS, Narulkar DD, Butcher RJ, Deshmukh MS, Kumar Srivastava A, Mariappan M, Lama P, Dhuri SN. Dual-site aqua mononuclear nickel(II) complexes of non-heme tetradentate ligands: Synthesis, characterization and reactivity. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.10.069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Bougherra H, Berradj O, Adkhis A, Amrouche T. Synthesis, characterization, electrochemical and biological activities of mixed ligand copper(II) complexes with dimethylglyoxime and amino acids. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.06.088] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mahmoud WH, Mohamed GG, Elsawy HA, Radwan MA. Metal complexes of novel Schiff base derived from the condensation of 2-quinoline carboxaldehyde and ambroxol drug with some transition metal ions. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4392] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Walaa H. Mahmoud
- Chemistry Department, Faculty of Science; Cairo University; Giza 12613 Egypt
| | - Gehad G. Mohamed
- Chemistry Department, Faculty of Science; Cairo University; Giza 12613 Egypt
- Egypt Nanotechnology Center, 6th October City; El-Sheikh Zayed, Giza Egypt
| | - Hoda A. Elsawy
- Chemical Engineering Department, Faculty of Engineering; British University in Egypt; Cairo Egypt
| | - Mostafa A. Radwan
- Chemical Engineering Department, Faculty of Engineering; British University in Egypt; Cairo Egypt
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Macrocyclic Cu(II) and Pd(II) complexes with new 16-membered tetradentate [N4] ligand: synthesis, characterization, 3D molecular modeling and in vitro anticancer and antimicrobial activities. J INCL PHENOM MACRO 2017. [DOI: 10.1007/s10847-017-0774-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Synthesis, spectroscopic, molecular structure, antioxidant, antimicrobial and antitumor behavior of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes of O 2 N type tridentate chromone-2-carboxaldehyde Schiff's base ligand. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.03.080] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Synthesis, spectral characterization, thermal investigation and electrochemical evaluation of benzilbis(carbohydrazone) as Cd(II) ion selective electrode. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.03.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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7
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El-Boraey HA, El-Salamony MA, Hathout AA. Macrocyclic [N5] transition metal complexes: synthesis, characterization and biological activities. J INCL PHENOM MACRO 2016. [DOI: 10.1007/s10847-016-0649-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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8
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Tyagi P, Chandra S, Saraswat BS, Yadav D. Design, spectral characterization, thermal, DFT studies and anticancer cell line activities of Co(II), Ni(II) and Cu(II) complexes of Schiff bases derived from 4-amino-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 145:155-164. [PMID: 25770965 DOI: 10.1016/j.saa.2015.03.034] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 02/24/2015] [Accepted: 03/01/2015] [Indexed: 05/22/2023]
Abstract
A series of two biologically active Schiff base ligands L(1), L(2) have been synthesized in equimolar reaction of 4-amino-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol with thiophene-2-carbaldehyde and furan-2-carbaldehyde. The synthesized Schiff bases were used for complexation with different metal ions like Co(II), Ni(II) and Cu(II) by using a molar ratio of ligand: metal as 1:1 and 2:1. The characterization of Schiff bases and metal complexes was done by (1)H NMR, UV-Vis, TGA, IR, mass spectrometry and molar conductivity studies. The in DFT studies the geometries of Schiff bases and metal complexes were fully optimized with respect to the energy using the 6-31+g(d,p) basis set. On the basis of the spectral studies an octahedral geometry has been assigned for Co(II), Ni(II) and Cu(II) complexes. The effect of these complexes on proliferation of human breast cancer cell line (MCF-7) and human hepatocellular liver carcinoma cell line (Hep-G2) were studied and compared with those of free ligand. The anticancer cell line results reveal that all metal complexes show moderate to significant % cytotoxicity on cell line HepG2 and MCF-7.
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Affiliation(s)
- Prateek Tyagi
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India; Department of Chemistry, School of Sciences, IGNOU, Maidan Garhi, New Delhi 110068, India
| | - Sulekh Chandra
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India.
| | - B S Saraswat
- Department of Chemistry, School of Sciences, IGNOU, Maidan Garhi, New Delhi 110068, India
| | - Deepak Yadav
- Faculty of Medicine, Jamia Hamdard, New Delhi 110062, India
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Fahmi N, Masih I, Soni K. Template Synthesis, Characterization, Electrochemical Behavior, Antimicrobial, Nematicidal and Pesticidal Activities of Palladium(II) Macrocyclic Complexes. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2015. [DOI: 10.1080/10601325.2015.1039334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Tyagi P, Chandra S, Saraswat BS, Sharma D. Design, spectral characterization, DFT and biological studies of transition metal complexes of Schiff base derived from 2-aminobenzamide, pyrrole and furan aldehyde. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 143:1-11. [PMID: 25706679 DOI: 10.1016/j.saa.2015.02.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 12/19/2014] [Accepted: 02/04/2015] [Indexed: 06/04/2023]
Abstract
A series of two biologically active Schiff base ligands L(1), L(2) have been synthesized in equimolar reaction of 2-aminobenzamide with pyrrol-2-carboxaldehyde and furan-2-carboxaldehyde. The synthesized Schiff bases were used for complexation with different metal ions like Co(II), Ni(II) and Cu(II) by using a molar ratio of ligand: metal as 2:1. The characterization of newly formed complexes was done by (1)H NMR, UV-Vis, TGA, IR, mass spectrophotometry, EPR and molar conductivity studies. The thermal studies suggested that the complexes are more stable as compared to ligand. In DFT studies the geometries of Schiff bases and metal complexes were fully optimized with respect to the energy using the 6-31+g(d,p) basis set. On the basis of the spectral studies an octahedral geometry has been assigned for Co(II) and Ni(II) complexes and distorted octahedral geometry for Cu(II) complexes. All the synthesized compounds, were studied for their in vitro antimicrobial activities, against four bacterial strains and two fungal strains by using serial dilution method. The data also revealed that the metal complexes showed better activity than the ligands due to chelation/coordination.
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Affiliation(s)
- Prateek Tyagi
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India
| | - Sulekh Chandra
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India
| | - B S Saraswat
- Department of Chemistry, School of Sciences, IGNOU, Maidan Garhi, New Delhi 110068, India
| | - Deepansh Sharma
- Dairy Microbiology Division, National Dairy Research Institute, Karnal 132001, Haryana, India
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Tyagi P, Chandra S, Saraswat BS. Ni(II) and Zn(II) complexes of 2-((thiophen-2-ylmethylene)amino)benzamide: synthesis, spectroscopic characterization, thermal, DFT and anticancer activities. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 134:200-209. [PMID: 25014642 DOI: 10.1016/j.saa.2014.06.112] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 05/31/2014] [Accepted: 06/16/2014] [Indexed: 06/03/2023]
Abstract
The paper presents the synthesis of Ni(II) and Zn(II) complexes of general composition M(L)X₂ and M(L)₂X₂ (M=Ni(II), Zn(II), X=Cl(-1), OAc(-1)) with Schiff base obtained through the condensation of 2-aminobenzamide with thiophene-2-carbaldehyde. The characterization of newly formed complexes was done by (1)H NMR, UV-VIS, TGA, IR, mass spectrophotometry and molar conductivity studies. The thermal studies suggested that the complexes are more stable as compared to ligand. In DFT studies the geometries of Schiff's base and metal complexes were fully optimized with respect to the energy using the 6-31+g(d,p) basis set. On the basis of the spectral studies a distorted octahedral geometry has been assigned for Ni(II) complexes and tetrahedral geometry for Zn(II) complexes. The effect of these complexes on proliferation of human breast cancer cell line (MCF-7) and human hepatocellular liver carcinoma cell line (HepG2) were studied and compared with those of free ligand.
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Affiliation(s)
- Prateek Tyagi
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India; Department of Chemistry, School of Sciences, IGNOU, Maidan Garhi, New Delhi 110068, India
| | - Sulekh Chandra
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110002, India.
| | - B S Saraswat
- Department of Chemistry, School of Sciences, IGNOU, Maidan Garhi, New Delhi 110068, India
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Tyagi M, Chandra S, Akhtar J, Chand D. Modern spectroscopic technique in the characterization of biosensitive macrocyclic Schiff base ligand and its complexes: inhibitory activity against plantpathogenic fungi. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 118:1056-1061. [PMID: 24161868 DOI: 10.1016/j.saa.2013.09.124] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2013] [Revised: 09/09/2013] [Accepted: 09/26/2013] [Indexed: 06/02/2023]
Abstract
Complexes of the type [M(L)Cl2], where M = Co(II), Ni(II) and Cu(II) have been synthesized with a macrocyclic Schiff base ligand (1,4,5,7,10,11,12,15-octaaza,5,11,16,18-tetraphenyl, 3,4,12,13-tetramethyl cyclo-octadecane) derived from Schiff base (obtained by the condensation of 4-aminoantipyrine and dibenzoyl methane) and ethylenediamine. The ligand was characterized on the basis of elemental analysis, IR, (1)H NMR, EI Mass and molecular modeling studies while the complexes were characterized by elemental analysis, molar conductance measurements, magnetic susceptibility measurements, IR, electronic and EPR spectral studies. All the complexes are non-electrolyte in nature. The covalency factor (β) and coefficient factor (α) suggest the covalent nature of the complexes. The ligand and its metal complexes have shown antifungal activity with their LD50 values determined by probit analysis against two economically important fungal plant pathogens i.e. Macrophomina phaseolina and Fusarium solani.
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Affiliation(s)
- Monika Tyagi
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, JLN-Marg, New Delhi 110 002, India.
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Chandra S, Sarkar A. Spectral, thermal and electrochemical investigation of carbohydrazone derived ionophore as Fe(III) ion selective electrode. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 107:271-279. [PMID: 23434554 DOI: 10.1016/j.saa.2013.01.055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 01/21/2013] [Accepted: 01/23/2013] [Indexed: 06/01/2023]
Abstract
Dibenzoylmethane bis(carbohydrazone) (BMBC) has been synthesized and structurally characterized on the basis of IR, (1)H NMR, mass, UV spectra and thermogravimetric analyses. BMBC has been analysed electrochemically and explored as new N, N Schiff base. It plays the role of an excellent ion carrier in the construction of iron(III) ion selective membrane sensor. This sensor shows very good selectivity and sensitivity towards iron ion over a wide variety of cations, including alkali, alkaline earth, transition and heavy metal ions. The response mechanism was discussed in the view of UV-spectroscopy and Electrochemical Impedance Spectroscopy (EIS). The proposed sensor was successfully used for the determination of iron in different samples.
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Affiliation(s)
- Sulekh Chandra
- Department of Chemistry, Zakir Husain Delhi College, University of Delhi, New Delhi 110 002, India.
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Bhardwaj VK, Hundal MS, Corbella M, Gómez V, Hundal G. Salicylaldimine Schiff bases – Generation of self-assembled and chiral complexes with Ni(II) and Zn(II) ions. An unusual antiferromagnetic interaction in a triply bridged Ni(II) dimer. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.03.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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