The Synthesis and Complex Formation of N-(2-Methylpyridyl)-aminoglyoxime

Abstract
N-(2-Methylpyridyl)aminoglyoxime (LH2) has been prepared from 2-(aminomethyl)pyridine and anti-chloroglyoxime in a mixture of chloroform and diethyl ether at -15°C with triethanolamine as the base. The structure of this ligand has been determined according to 1H n.m.r. and i.r. spectral data. LH2 gives a planar (LH2)Ni complex with slight octahedral distortion. In the Cu(II) complex, [(LH)ClCu], the N atom of the pyridyl group is also taking part in complex formation, the Cd(II) complex is binuclear, [(LH)Cl3(OH2Cd2] and the Zn(II) complex is ionic, [(LH2)ClZn]Cl. The uranyl complex is binuclear with hydroxo-bridges, [(LH)(UO2)(OH)2(UO2)(LH)]. The structures of the complexes have been proposed according to elemental analysis, magnetic measurements, i.r., and 1H n.m.r. data.

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