Homonuclear and heteronuclear transition metal complexes by syn-proportionation reactions |
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Authors: | Fausto Calderazzo [Author Vitae] [Author Vitae] Guido Pampaloni [Author Vitae] |
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Institution: | a Università di Pisa, Dipartimento di Chimica e Chimica Industriale, Via Risorgimento 35, I-56126 Pisa, Italy b Polimeri Europa, Piazza Boldrini 1, I-20097 S. Donato Milanese, Milano, Italy |
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Abstract: | Redox processes consisting of disproportionation and syn-proportionation are reviewed with special attention to metal complexes containing carbon-based ligands, i.e. carbon monoxide or unsaturated hydrocarbons. An introduction and a survey of reactions aimed to show the large applicability of syn-proportionation reactions in the field of coordination chemistry, is followed by examples of the use of these redox processes for the preparation of catalytic precursors. The latter studies derive from the idea that if a syn-proportionation reaction can be carried out between two complexes containing different metals in different oxidation states, inter-metallic systems could be formed which may act as active catalysts, e.g. for polymerization reactions. |
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Keywords: | Syn-proportionation Carbon-based ligands Carbon monoxide Oxidation states Disproportionation Redox reactions |
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