| abstract |
1314646 Catalyst compositions STUDIENGESELLSCHAFT KOHLE mbH 3 Aug 1971 [6 Aug 1970] 36500/71 Heading B1E [Also in Division C5] Catalysts used to prepare optically active hydrocarbons from optically inactive hydrocarbons comprise (a) at least one Ni compound (b) at least one Lewis acid and (c) an optically active phosphine PR'R"R"' where R', R" and R"' are hydrocarbyl radicals. Catalysts components used in the Examples are (a) # allyl Ni bromide, #-allyl Ni chloride and Ni acetyl acetonate (b) Et 3 Al 2 Cl 3 (c) (-) tris (trans mirtanyl phosphine (-) menthyl dimethyl phosphine, dimenthyl methyl phosphine and phenyl, methyl, n-propyl phosphine, in halogenated hydrocarbon solvents. |