Synthesis of chiral Rh-bichep complexes, highly efficient catalysts for asymmetric hydrogenations

Article abstract of DOI:10.1016/S0040-4039(00)92297-4

Chiral cationic and neutral Rh complexes RhX(bichep)(nbd) (X=Cl,ClO₄; NBD=norbornadiene;bichep=2,2′-bis(dicyclohexylphosphino)-6,6'-dimethyl-l, r-biphenyl) are highly active and excellent catalysts for enantioselective hydrogenation of prochiral olefms and ketones under mild reaction conditions.