Electrochemical studies on neutral triple-bridged di-ruthenium compounds.期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Electrochemical studies on neutral triple-bridged di-ruthenium compounds.

Authors:	T. Arthur R. Contreras G.A. Heath G. Hefter A.J. Lindsay D.J.A. Riach T.A. Stephenson

Affiliation:	Department of Chemistry, University of Edinburgh, Edinburgh EH9 3JJ, Scotland.

Abstract:	Voltammetric studies reveal that, like [Ru₂Cl₄(PPh₃)₄(CO)], triply-bridged complexes [Ru₂Cl₄L₅] (L = PClPh₂, PMePh₂, PEt₂Ph) are reversibly oxidized to [Ru₂Cl₄L₅]⁺. The mixed valence complexes [Ru₂Cl₅L₃Y] (L = PPh₃, P(tol)₃; Y = CO, CS) undergo a corresponding reduction to [Ru₂Cl₅L₃Y]^?; whereas [Ru₂Cl₅L₄] (L = PEt₂Ph, As(tol)₃) and [Ru₂Cl₆(AsPh₃)₃] are both reduced $and$ oxidised in reversible one-electron steps. For the bridging (RuCl₃Ru)^z+ moiety, the redox series z = 1, 2, 3, 4 is established.

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