Transformations of a µ2-vinyl ligand at a dimanganese centre and the flexibility of µ2-acyl lignads; X-ray crystal structures of [(Ph2P)2N][Mn2(µ2-H){µ2-C(O)CPh : CHPh}(µ2-PPh2)(CO)6], [Mn2{µ2-C(O)CPh : CHPh}(µ2-PPh2)(CO)6(CNBut)2], and [Mn2{σ : η3-P(Ph)2CH : CH2}(CO)7(PEt3)]
Kim HenrickJonathan A. IggoAvelino Martı́nPaul R. Raithby
Abstract
[Mn2(µ2-σ : η2-CR : CHR)(µ2-PPh2)(CO)7](R = H or Ph) react with 2-electron donor ligands to give µ2-acyl complexes or products containing the P(Ph)2CR : CHR ligand; these correspond, respectively, to insertion of CO or PPh2 into the σ-bond between the metal and the µ2-vinyl group.
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