Voltammetric behaviour of rhenium(I) complexes with phosphine and carbon monoxide ligands in acetonitrile solvent |
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| Authors: | Renato Seeber Gian Antonio Mazzocchin Ulderico Mazzi Edoardo Roncari Fiorenzo Refosco |
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| Institution: | (1) Dipartimento di Chimica, Universitá di Siena, Pian dei Mantellini 44, 53100 Siena, Italy;(2) Dipartimento di Spettroscopia ed Elettrochimica, Universitá di Venezia, Dorsoduro 2137, 30123 Venezia, Italy;(3) Istituto di Chimica e Tecnologia dei Radioelementi del C.N.R., Area della Ricerca, Corso Stati Uniti 5, 35100 Padova, Italy |
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| Abstract: | Summary The anodic and cathodic behaviour of the complexesmer-ReCl(CO)3(PMe2Ph)2],facReCl(CO)3(PMe2Ph)2],mer-ReCl(CO)3(PPh3)2], and ReCl(CO)2(PMe2Ph)3] in acetonitrile solvent were studied using platinum and mercury electrodes. Cyclic voltammetry and controlled potential coulometry were the main electroanalytical techniques employed. The nature of the electrolysis products and of the electrode oxidation and reduction processes were investigated. In particular, ReCl(CO)(MeCN)2(PMe2Ph)3]ClO4]2, ReCl3(CO)2(PMe2Ph)2], and a not completely defined rhenium(-I) complex were electrochemically synthesized and characterized by means of i.r. and1H n.m.r. spectroscopy, and by elemental analysis. |
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