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Metal ion-purine interactions: Preparation and study of some metal complexes of 8-ethyl-xanthine and 8-ethyl-3-methyl-xanthine

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
107
Issue
1
Identifiers
DOI: 10.1016/s0020-1693(00)80684-2

Abstract

Abstract The interactions of 8-ethyl-xanthine (8EH) and 8-ethyl-3-methylxanthine (3MEH) with Cu(II), Pd(II), Ag(I) and Au(III) ions in aqueous medium were studied, and the isolated complexes characterized by means of 1H NMR and IR as well as elemental analyses. Reactions occur over a wide pH range, with the purine bases acting as a monoanion, in molecular or protonated forms.

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