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Coordination ability of selected amino sugars with Cu2+ ions in solution

Jezowska-Bojczuk, Malgorzata and Chruscinska, Elzebieta and Trnka, Tomas and Micera, Giovanni (1996) Coordination ability of selected amino sugars with Cu2+ ions in solution. Journal of Inorganic Biochemistry, Vol. 63 (4), p. 231-239. ISSN 0162-0134. Article.

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DOI: 10.1016/0162-0134(95)00224-3

Abstract

Complex formation between Cu(II) and the amino sugars methylβ-L-daunosaminide (MeDauN), 6-amino-6-deoxy-D-glucose (Glc6N), 3-dimethylamino-3,4,6-trideoxy-D-xyloheksose (desosamine DSA), and methyl-3-amino-3-deoxy-α-D-mannopyranose (MeMan3N) was studied in aqueous solution by potentiometric and spectroscopic (EPR, electron absorption, and CD) techniques. The results show that Glc6N and DSA ligands, lacking the cis-oriented couples of [NH2, OH] donors, give rise only to dimeric complexes. The other two ligands, although both forming mononuclear species, exhibit different coordination abilities, depending on the assistance of donors able to yield axial interaction with the metal ion.

Item Type:Article
ID Code:1447
Status:Published
Refereed:Yes
Uncontrolled Keywords:Cu(II) complexes, amino sugars, Cu2+ ions
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Elsevier Science
ISSN:0162-0134
Deposited On:18 Aug 2009 10:05

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