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1 2009

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Synthesis, Structural Investigation and Biological Studies of Some Transition Metal Chelates of Acid Hydrazone

Yaul A. R., Dhande V. V., Suryawanshi N. J., Aswar A. S.

Polish Journal of Chemistry

2009

Vol. 83, nr 4

565-571

Metal complexes of Ti(III), VO(IV), Cr(III), Mn(III), Fe(III) and Zr(IV) with Schiff base derived from 2-hydroxy-5-methylacetophenone and benzoyl hydrazide have been synthesized and characterized on the basis of elementalanalysis, infrared spectra, magnetic moment, electronic spectra and thermogravimetric studies. Various kinetic parameters evaluated from thermal decomposition data and thermal stabilities of the complexes are also reported. The antibacterial and antifungal activities of 2-hydroxy- 5-methylacetophenone benzoylhydrazone (HMABH) and its complexes have been investigated against various bacterial strains using the disc diffusion technique. All complexes exhibit good biological activity as compared to free ligand. Solid-state electrical conductivity of ligand and its complexes have also been studied over a wide range of temperature and it was found that compounds exhibit semiconucting behavior in the studied range.