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

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Original Articles: 2013 Vol: 5 Issue: 6

Thermal and antibacterial studies of cobalt (II), nickel (II), copper (II) and zinc (II) complexes of hydrazone Schiff base


Complexes of Co(II), Ni(II),Cu(II) and Zn(II) with Schiff base [LH2] derived from 2-hydroxy-5-methyl-3- nitroacetophenone and isonicotinoyl hydrazide have been synthesized and characterized on the basis of molar conductance, magnetic susceptibilities, elemental analysis, infrared, 1H NMR, electronic spectra and thermogravimetric analysis. The Schiff base acts as monobasic bidentate ligand commonly coordinates through the oxygen atom of the deprotonated phenolic group and the nitrogen atom of azomethine group. Which is confirmed by IR spectral data. Thermal analysis indicates the coordinated and lattice water molecules in the complexes which is also IR spectral data. The Schiff base and their metal complexes have been evaluated for their antibacterial activities.

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