Abstract
The binuclear μ-vinylidene complex Cp(CO) 2MnPt(μ-CCHPh)(PPh 3) 2 reacts with diphosphines PP Ph 2P(CH 2) n PPh 2, where n=1 (dppm), 2 (dppe) or 3 (dppp), at room temperature to give new complexes of the type Cp(CO) 2MnPt(μ-CCHPh)(PP) with chelating disphosphine ligands PP at the Pt atom in quantitative yields. All complexes are characterized by IR and 1H, 13C and 31P NMR spectra. The influence of the nature of the ligands at the Pt atom on the bonding between Pt and the semi-bridging carbonyl group is discussed.
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