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Synthesis and Characterization of Antimicrobial Activities of some Transition Metal Complexes of Asymmetrical Tetradentate Ligands

Author Affiliations

  • 1Department of Chemistry, S.B.E.S. College of Science, Aurangabad, Maharashtra, INDIA
  • 2Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, INDIA

Res.J.chem.sci., Volume 5, Issue (5), Pages 19-23, May,18 (2015)


The Schiff bases have been prepared by reacting dehydroacetic acid with 6-methyl 1,3,5-triazine 2,4- diamine and 2'-hydroxy acetophenone. The Cr(III), Fe(III), Co(II), Ni(II), Cu(II) and Zn(II) complexes have been prepared by reacting metal nitrate with those Schiff bases in alcoholic medium. The Complexes are electrolytes in DMSO. All the complexes were characterized by elemental analysis, H -NMR, FT-IR, UV-VIS, magnetic susceptibility, conductance measurements studies. The IR spectral data suggest that the ligand behaves as a tetradentate ligand with NNNO donor atoms sequence towards central metal ion. From the microanalytical data, the stoichiometry of the complexes was found to be 1:1 (metal : ligand). X-ray diffraction and screened for their antibacterial activity against bacterium Staphylococcus aurious, B.subtilis (Gram positive) and Escherichia coli, K. pneumonae (Gram negative). The result indicated that the complexes exhibited good antibacterial activities.


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