Patent ID: 6407190
Filing Date: 2002-06-18
Classification: B01J,C07F,C08G

Abstract:
A compound of the formula in which Me is ruthenium or osmium; X, and Y independently of one another are anionic ligands or X and Y together are bisanionic ligands; L1, L2 and L3 independently of one another are monodentate, neutral eâˆ’ donor ligands, with the proviso that one or two ligands from the group L1, L2 and L3 are tertiary-substituted phosphine ligands selected from the group consisting of (i-C3H7)3P, (sec-C4H9)3P, (C5H9)3P and (C6H11)3P; Z is sulfur or the group in which Râ€²â€³ is hydrogen or a hydrocarbon radical; Z1 is oxygen, sulfur or a group â€ƒor Aâ€²; R is unsubstituted or substituted aryl if Z is sulfur or is a hydrocarbon radical if Z is a group A or Aâ€²; and Râ€² is a hydrocarbon radical, or an isomer of this compound; with the exception of compounds (Ib), wherein one of L1, L2 and L3 represents carbonyl.