Metal ion-purine interactions: Preparation and study of some metal complexes of 8-ethyl-xanthine and 8-ethyl-3-methyl-xanthine |
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| Authors: | J.M. Salas-Peregrin E. Sanchez-Martinez E. Colacio-Rodriguez |
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| Affiliation: | Department of Inorganic Chemistry, Faculty of Sciences, Granada University, 18071 Granada, Spain |
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| 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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| Keywords: | Author to whom correspondence should be addressed. |
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