Synthesis, spectral characterization and antimicrobial studies of some new binuclear complexes of CuII and NiII Schiff base

Department of Chemistry, Patna University, Patna-800 005, Bihar, India

Manuscript received 5 May 2008, revised 2 June 2009, accepted 7 July 2009

Heterobinuclear alkali metal complexes of Cu^II or Ni^II with Schiff base derived from condensation of 1,2- propylenediamine with o-hydroxyacetophenone in 1 : 2 molar ratio have been synthesiled. They were characterized by elemental analysis, IR spectra, UV-visible spectral analysis, magnetic and molar conductance measurements. The synthesized binuclear Cu^II and Ni^II complexes of Schiff base are found to have square planar geometry. No change in the stereochemistry of Cu^II and Ni^II complexes was observed after formation of adduct with the alkali metal salts of the organic acids. The antimicrobial activity of some of the heterobinuclear complexes are assayed which demonstrated inhibitory effect against some bacteria and fungi.