Abstract

Abstract Copper(II) and zinc(II) complexes with the Schiff base derived from 3, 4—dihydroxy benzaldehyde and thiosemicarbazide were synthesized. These compounds have been character ized by elemental analyses, conductivity measurements, infra—red and electronic spectra. The Schiff base ligand has been further characterized by 1H NMR and MS. The results suggest that the Schiff base acts as a bidentate ligand which bonds to metal ions through the imino nitro gen and sulphur atom. All the complexes are non—electrolytes. These complexes are superox idefree radical scavengers.

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