Abstract
Abstract Unsymmetric glyoximes which contain N-(2-methyl-pyridyl) on one side and amines or various aromatic amines, respectively, on the other side of the molecule were synthesized. N-(2-Methylpyridyl)aminoglyoxime was chlorinated by employing a method devised by us which is time and solvent dependent, and requires utilization of diethyl ether within a time period of 10–30 minutes. By reacting anti-chloro-N-(2-methylpyridyl)aminoglyoxime, with ammonia, aniline and benzylamine, respectively, the new ligands synthesized were N-(2-methylpyridyl)diaminoglyoxime (ALH2), N-(2-methylpyridyl)-N'-phenyldiaminoglyoxime (BLH2) and N-(2-methylpyridyl)-N'-benzyldiaminoglyoxime (CLH2). The structure of the ligands were determined employing 1H NMR, IR spectroscopy and elemental analyses methods. The square-planar complexes of metal-ligand ratio of 1:2 were prepared by addition of Ni(II) and Pd(II) salt solutions into aqueous ligand solutions. The structure of these complexes were characterized by IR spectroscopy, elemental analyses and magnetic susceptibility measurements.
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