Synthesis of dimetal compounds from metal carbene complexes; X-ray crystal structures of two forms of [(OC)4Mn{µ-(1-σ,1-2-η-C:CH·CH2·CH2·O)}Pt(PMe3)2]

Abstract

The complexes [M{C(OMe)R}(CO)₅](M = Cr, Mo, or W; R = Me or Ph) and [Mn{C(OMe)Ph}(CO)₂(η-C₅H₅)] react with d¹⁰ species (Pt⁰, Pd⁰, or Ni⁰) to afford heteronuclear dimetal compounds with bridging carbene ligands; X-ray diffraction studies on a product from [Mn₂(CO)₉([graphic omitted]H₂)] and [Pt(C₂H₄)(PMe₃)₂] have identified two isomers of [MnPt(µ-C₄H₅O)(CO)₄(PMe₃)₂] with a (1-σ, 1-2-η-C:CH) group bridging a Pt–Mn bond.