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Carbon−Carbon Bonds of Manganese Half-Sandwich Complexes for Electron Reservoir Functions

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posted on 15.03.2004, 00:00 by Koushik Venkatesan, Olivier Blacque, Thomas Fox, Montserrat Alfonso, Helmut W. Schmalle, Heinz Berke
Vinylidene species of the type Mn(C5H4CH3)[(H3C)2PCH2CH2P(CH3)2](CCR1R2) (R1 = R2 = H; R1 = H, R2 = Ph) can be fully reversibly coupled to yield the dinuclear complexes [(C5H4CH3)(dmpe)Mn⋮CC(R1)(R2)C(R1)(R2)C⋮Mn(dmpe)(C5H4CH3)][PF6]2 (R1, R2 = H; R1 = H, R2 = Ph) by an oxidation/reduction cycle involving formation and cleavage of a C−C σ bond.