Electrochemistry of coordination compounds: XIII. Ruthenium(I) and ruthenium(0) complexes generated by electrochemical reduction of chlorodi-(1,3-bisdiphenylphosphinopropane)ruthenium(II)-hexafluorophosphate |
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| Authors: | Gianni Zotti Giuseppe Pilloni Mario Bressan Mario Martelli |
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| Affiliation: | 1. Consiglio Nazionole delle Ricerche, Laboratorio di Polarografia ed Elettrochimica Preparativa, Corso Stati Uniti 10, 35100 Padua (Italy);2. Consiglio Nazionale delle Ricerche, Centro di Studio sulla Stabilità e Reatività dei Composti di Coordinazione, c/o Istituto di Chimica Analitica dell''Università, Via Marzolo 1, 35100 Padua (Italy) |
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| Abstract: | The electrochemical reduction of chlorodi-(1,3-bisdiphenylphosphinopropane)ruthenium(II)hexafluorophosphate, [RuCl(DPP)2](PF6), has been studied on the mercury electrode in 1,2-dimethoxyethane +0.1 M TBAP. The polarogram shows two reversible one-electron waves corresponding to the formation of [RuCl(DPP)2] and [RuCl(DPP)2]. Both products are unstable and decay through a disproportionation pathway and a fast internal metalation via Cl? elimination with formation of HRu(C6H4PPh·CH2CH2 CH2·PPh2)(DPP), respectively. The hypothesis is put forward that the geometry of a metal-complex can be one of the factors which allow us to obtain d7 monomeric complexes by electrochemical methods. |
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