Transformations of a µ<sub>2</sub>-vinyl ligand at a dimanganese centre and the flexibility of µ<sub>2</sub>-acyl lignads; X-ray crystal structures of [(Ph<sub>2</sub>P)<sub>2</sub>N][Mn<sub>2</sub>(µ<sub>2</sub>-H){µ<sub>2</sub>-C(O)CPh : CHPh}(µ<sub>2</sub>-PPh<sub>2</sub>)(CO)<sub>6</sub>], [Mn<sub>2</sub>{µ<sub>2</sub>-C(O)CPh : CHPh}(µ<sub>2</sub>-PPh<sub>2</sub>)(CO)<sub>6</sub>(CNBu<sup>t</sup>)<sub>2</sub>], and [Mn<sub>2</sub>{σ : η<sup>3</sup>-P(Ph)<sub>2</sub>CH : CH<sub>2</sub>}(CO)<sub>7</sub>(PEt<sub>3</sub>)]
作者:Kim Henrick、Jonathan A. Iggo、Martin J. Mays、Paul R. Raithby
DOI:10.1039/c39840000209
日期:——
[Mn2(µ2-Ï : 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 Ï-bond between the metal and the µ2-vinyl group.
New synthetic approaches to Mn2(CO)10-n Ln derivatives (L = phosphines): Their catalytic activity in the homogeneous hydrogenation of diphenylacetylene and the crystal structure of Mn2(CO)9(PPh2H)
作者:Roberto Giordano、Enrico Sappa、Antonio Tiripicchio、Marisa Tiripicchio Camellini、Martin J. Mays、Michael P. Brown