The synthesys and crystal structure of three copper complexes with N-tosyl-aminoacids are reported. N-tosyl-a-alanine acts as bidentate chelate ligand through one carboxylic oxygen and the deprotonated nitrogen both in binary and ternary complexes, while N-tosyl-b-alanine acts as carboxylate monodentate ligand. The ability of a-alanine to form a stable five memebered chelate ring enables it to deprotonate and coordinate to to the metal by means of the nitrogen atom.
a- and b-carboxylic groups as primary ligating groups in promoting amide deprotonation. Solid state behavior of N-tosylalaninate-copper(II) complexes: crystal and molecular structure of bis(N-tosyl-b-alaninato)bsi(imidazole)copper(II), polymeric (N-tosyl-a-alaninato)diaquacopper monohydrate and dipiperidinium bis(N-tosyl-a-alaninato) copper(II) monohydrate complexes / Antolini, Luciano; Battaglia, L. P.; BONAMARTINI CORRADI, A.; Marcotrigiano, G.; Menabue, Ledi; Pellacani, G. C.. - In: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - ISSN 0002-7863. - STAMPA. - 107:(1985), pp. 1369-1375.
a- and b-carboxylic groups as primary ligating groups in promoting amide deprotonation. Solid state behavior of N-tosylalaninate-copper(II) complexes: crystal and molecular structure of bis(N-tosyl-b-alaninato)bsi(imidazole)copper(II), polymeric (N-tosyl-a-alaninato)diaquacopper monohydrate and dipiperidinium bis(N-tosyl-a-alaninato) copper(II) monohydrate complexes.
ANTOLINI, Luciano;MENABUE, Ledi;
1985
Abstract
The synthesys and crystal structure of three copper complexes with N-tosyl-aminoacids are reported. N-tosyl-a-alanine acts as bidentate chelate ligand through one carboxylic oxygen and the deprotonated nitrogen both in binary and ternary complexes, while N-tosyl-b-alanine acts as carboxylate monodentate ligand. The ability of a-alanine to form a stable five memebered chelate ring enables it to deprotonate and coordinate to to the metal by means of the nitrogen atom.
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