Abstract
Several new dipositive metal complexes with the hydrazoneoxime, derived from biacetylmonoxime ando-aminobenzoylhydrazine, have been synthesized and their structures elucidated by elemental analyses, conductivities, spectra (visible, i.r. and n.m.r.), magnetic and molecular weight measurements. The i.r. spectra show that the ligand, (H2BMAB), behaves in a bidentate and tridentate manner. The stereochemistry of the cobalt(II), nickel(II) and copper(II) complexes is discussed. The cobalt(III) complex, [Co(BMAB)OH]n, has also been isolated and characterized by conventional physical and chemical measurements and on the basis of molecular weight determination is probably a polymer, whereas the remaining complexes are monomers. I.r. and n.m.r. data suggest that the cobalt(III) complex contains hydroxo-bridge linking.
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