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Copper(II) complexes of (R,S)-alpha-hydroxymethylornithine and its Ndelta-benzoyl derivative

Chruscinska, Elzebieta and Kaczmarek, Krzysztof and Olejnik, Jadwiga and Leplawy, Miroslaw T. and Panzanelli, Angelo and Micera, Giovanni (1998) Copper(II) complexes of (R,S)-alpha-hydroxymethylornithine and its Ndelta-benzoyl derivative. Inorganica Chimica Acta, Vol. 269 (2), p. 279-282. ISSN 0020-1693. Article.

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DOI: 10.1016/S0020-1693(97)05754-X


Complex formation between copper(II) and (R,S)-α-hydroxymethylornithine of (R,S)-Nα-benzoyl-α-hydroxymethylornithine was studied in aqueous solution by potentiometric and spectroscopic (electron paramagnetic resonance and electronic absorption) techniques. The results show that the α-hydroxymethyl derivatives of ornithine are coordinated through the alcoholic group to the copper(II) ion in basic solution. Deprotonation and coordination of the α-hydroxymethyl group occurs and yields species with the amino and/or carboxylato groups also bound to the metal ion.

Item Type:Article
ID Code:1466
Uncontrolled Keywords:Complexes, hydroxymethylated amino acid complexes, ornithine complexes
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Area 03 - Scienze chimiche > CHIM/01 Chimica analitica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Additional Information:Pubblicato online il 20 aprile 1998.
Deposited On:18 Aug 2009 10:05

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