Issue 11, 1997

Complexation of aluminium(III) with several bi- and tri-dentate amino acids

Abstract

Complex formation between Al III and various bidentate and potentially tridentate amino acids (Gly, Ser, Thr, Gln, Asn, Glu and Asp) and some model compounds (N-acetylaspartic acid, succinic acid, and 2-sulfanylsuccinic acid) was studied in aqueous solution by pH-potentiometric and multinuclear ( 1 H, 13 C and 27 Al) NMR techniques. A weak interaction through the carboxylate function was unambiguously detected for all of these ligands. For Asp, however, which contains two carboxylates and a central amino donor, tridentate co-ordination is strongly suggested. Although its steric environment is similar to that of the amino function in Asp, binding of the thiolate sulfur of 2-sulfanylsuccinic acid could not be verified.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1997, 1967-1972

Complexation of aluminium(III) with several bi- and tri-dentate amino acids

T. Kiss, I. Sóvágó, I. Tóth, I. S. I. T. A. L. R. B. A. T. G. B. R. B. M., A. Lakatos, R. Bertani, A. Tapparo, G. Bombi and R. Bruce Martin, J. Chem. Soc., Dalton Trans., 1997, 1967 DOI: 10.1039/A608250E

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