Electrochemical studies on neutral triple-bridged di-ruthenium compounds.
Arthur, T., Contreras, R., Heath, G.A., Hefter, G., Lindsay, A.J., Riach, D.J.A. and Stephenson, T.A. (1979) Electrochemical studies on neutral triple-bridged di-ruthenium compounds. Journal of Organometallic Chemistry, 179 (4). C49-C54.
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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 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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|Copyright:||© 1979 Published by Elsevier B.V.|
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