Synthesis, characterization, and biological activity of complexes derived from E-N′-(3,4,5-trimethoxybenzylidene)benzofuran-2-carbohydrazide and ortho-phenylenediamine/ 2,6-diaminopyridine

Mixed ligand complexes of the type MLL′Cl 2 (where M = Co(II), Ni(II), Cu(II), Zn(II), Cd(II), and Hg(II), L = ligand derived from the reaction between benzofuran-2-carbohydrazide and 3,4,5-trimethoxybenzaldehyde (TMeOBFC), and L′ = ortho-phenylenediamine (opd)/2,6-diaminopyridine (2,6-dap)) have be...

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Bibliographic Details
Published in:Journal of coordination chemistry 2011-02, Vol.64 (4), p.651-662
Main Authors: Halli, M.B., Patil, Vijayalaxmi B., Kinni, Mallikarjun, Sumathi, R.B.
Format: Article
Language:English
Subjects:
Bacteria
Benzofuran Schiff bases
Biological activity
E coli
Mixed ligand complexes
Spectral studies
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Summary:Mixed ligand complexes of the type MLL′Cl 2 (where M = Co(II), Ni(II), Cu(II), Zn(II), Cd(II), and Hg(II), L = ligand derived from the reaction between benzofuran-2-carbohydrazide and 3,4,5-trimethoxybenzaldehyde (TMeOBFC), and L′ = ortho-phenylenediamine (opd)/2,6-diaminopyridine (2,6-dap)) have been synthesized. The complexes have been characterized by analytical data, IR, UV-Vis, 1 H NMR, DART-MS and ESR spectral data, and magnetic studies. Molar conductance values indicate that the complexes are non-electrolytic in DMF. Antibacterial and antifungal activities of the ligands and complexes have been screened against bacteria Escherichia coli and Staphylococcus aureus and against fungi Aspergillus niger and Aspergillus flavus.
ISSN:0095-8972
1029-0389
DOI:10.1080/00958972.2011.553222