Synthesis, characterization and biological evaluations of heterobinuclear complexes of CuII and NiII Schiff base of ethylenediamine and o-hydroxyacetophenone with alkali metal salts of o-nitrophenol

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Department of Chemistry, S. P. College, S. K. M. University, Dumka-814 101, Jharkhand, India E-mail : chandankumar78@yahoo.com Manuscript received 12 November 2016, revised 29 April 2017, accepted 15 May 2017 Novel heterobinuclear alkali metal complexes have been synthesized by the interaction of stable CuII and NiII metal chelate of ethylenediamine and o-hydroxyacetophenone with alkali metal salts. The structures of these complexes have been discussed on the basis of elemental analysis, IR and UV-Vis spectral data and magnetic measurement. The CuII and NiII metal chelates act as ligand and coordination towards alkali metal salts takes place through phenolic oxygen atom. The complexes have square planar geometry and there is no change in the stereochemistry of the Ni2+ and Cu2+ in the adducts and their metal chelate. The biological analyses of some of heterobinuclear complexes are assayed and demonstrated a general inhibitory effect.

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