Synthesis and characterization of nickel(II), Chromium(Ill), cobalt(II), copper(II), zinc(II} and cadmium(II) complexes with isatin-isonicotinoylhydrazone

Abstract

A few metal complexes of isatin-isonicotinoylhydrazone with Ni(II), Cr(III), Co(II), Cu(II), Zn(II) and Cd(II) have been prepared and characterized on the basis of elemental analyses, infrared and electronic spectra as well as ¹H NMR spectra, conductivity and magnetic measurements. In view of the results obtained, it has been found that two molecules of isatinisonicotinoylhydrazone are chelated to the central metal ion as bis-uninegative ONO tridentate ligand forming non-electrolytic octahedral metal complexes.