Redox Behavior of Re(V)–Amino Acid Containing Complexes

Three cationic complexes containing the [Re(V)O]3+ core (general formula [ReO(dien-H)(aa)]+, dien=diethylenetriamine, aa=glycine, alanine, valine) were studied on polycrystalline Au electrodes employing cyclic voltammetry techniques. The electrochemical behavior of the amino acids (aa) was also eval...

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Bibliographic Details
Published in:Journal of colloid and interface science 2002-05, Vol.249 (2), p.366-371
Main Authors: Cerdá, M.Fernanda, Méndez, Eduardo, Malacrida, Leonel, Zinola, Carlos F., Melián, Cecilia, Martins, M.Elisa, Castro Luna, Ana M., Kremer, Carlos
Format: Article
Language:English
Subjects:
amino acid
Amino Acids - chemistry
Chemistry
Coordination compounds
cyclic voltammetry
Electrochemistry
Exact sciences and technology
gold
Inorganic chemistry and origins of life
Oxidation-Reduction
Preparations and properties
rhenium complexes
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Summary:Three cationic complexes containing the [Re(V)O]3+ core (general formula [ReO(dien-H)(aa)]+, dien=diethylenetriamine, aa=glycine, alanine, valine) were studied on polycrystalline Au electrodes employing cyclic voltammetry techniques. The electrochemical behavior of the amino acids (aa) was also evaluated. Experiments were performed at pH 7.0 aqueous solutions at room temperature. The voltammogram of the complex showed current contributions related to the [Re(VI)O]4+/[Re(V)O]3+ redox couple, the counterion, and the amino acid ligand.
ISSN:0021-9797
1095-7103
DOI:10.1006/jcis.2002.8228