95123-22-1Relevant academic research and scientific papers
Substituted ketene elimination from acid chlorides induced by ruthenium(0) compounds
Singh, Shanti,Baird, Michael C.
, p. 255 - 260 (2007/10/02)
The compound Ru(CO)2(triphos) (triphos=MeC(CH2PPh2)3) reacts with a number of acid chlorides RR'CHCOCl to form Cl and the corresponding substituted ketenes RR'CCO.A quantitative study of the reaction of Ph2CHCOCl shows that Ph2CCO is formed in a 1:1 stoichiometry.The compound Ru(CO)3(PPh3)2 also reacts with Ph2CHCOCl forming Ph2CCO and the unstable hydride Cl, the chemistry of which is also reported.
Oxidative addition reactions of dicarbonyl-[1,1,1-tris((diphenylphosphino)methyl)ethane]ruthenium(0). Elimination of ketene from an acetylmetal compound
Hommeltoft, Sven I.,Baird, Michael C.
, p. 190 - 195 (2008/10/08)
Oxidative addition reactions of the title compound (Ru(CO)2(triphos)) with halogens, anhydrous hydrogen chloride, and several alkyl halides yield the series of complexes [RuX(CO)2(triphos)]+ (X = halide), [RuH(CO)2(triphos)]+, and [RuR(CO)2(triphos)]+ (R = Me, Et, PhCH2, allyl). Most of the compounds appear to exhibit normal chemical properties but the hydride is surprisingly acidic, possibly because the hydride ligand is forced into an unusual (for it) coordination position, trans to a phosphorus atom, which would lie high in the trans influence series. While oxidative addition of acetyl chloride appears to give the acetyl complex [Ru(COMe)(CO)2(triphos)]+, the latter is unstable and eliminates ketene to form the above-mentioned hydride complex. The unusual instability of the acetyl complex is perhaps also to be attributed in part to the high trans influence and pronounced trans bond weakening properties of tertiary phosphines.
