Abstract
The highest complexes of the monofunctional amines pyridine, quinoline, isoquinoline, piperidine, n- and sec-butylamine, aniline, p-methoxyaniline, and N-benzylidenemethylamine with copper(I) ion in propylene carbonate have been determined by polarography. A maximum coordination of four ligands has been noted in the cases of pyridine and isoquinoline. Solid tetrakis(pyridine)copper(I) percholorate has been isolated, and by infrared examination of 3:1, 4:1, and 5:1 mole-ratio mixtures of the monofunctional amines with tetrakis(acetonitrile)copper(I) perchlorate, the tetracoordination of quinoline, isoquinoline, piperidine, and N-benzylidenemethylamine to copper(I) has been established. The polarographic data have been used to estimate the appropriate overall stability constants in propylene carbonate.
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