Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2012 Vol: 4 Issue: 4

Synthesis, spectroscopic and antimicrobial studies of oxovanadium (IV) complexes incorporating tridentate ONO donor hydrazones


Oxovanadium (IV) complexes of ONO donor hydrazone ligand derived from 2-hydroxy aryl ketones and 2- imidazolyl mercaptoaceto hydrazide (LH2) have been synthesized and characterized by elemental analyses, molar conductance, magnetic susceptibilities, electronic, IR, ESR and thermal studies. Elemental analyses show 1:1 metal to ligand stoichiometry for oxovanadium (IV) complexes. The IR spectra of the complexes indicate that the ligand LH2 acts as a dibasic tridentate nature hence the ligand exhibits in enol form in newly prepared oxovanadium (IV) complexes. Spectral data indicates that square pyramidal geometry of monomeric five coordinated oxovanadium (IV) complexes with the general formula [VO(L)H2O] is confirmed by thermal studies. The hydrazone and their complexes were screened for their invitro antibacterial activity against E.coli and S.aureus. Antifungal activity against T.polysporum and C. albicans.

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