abstract |
The present invention relates to novel chiral 1,1' ferrocylene diphosphonites and the synthesis thereof, in addition to complexes of said compounds with metals from groups VIIb, VIIIb and Ib of the periodic table and to the use thereof for enantioselective hydrogenation of olefins, ketones and imines or enantioselective hydroboration and 1,4 addition to activated olefins. |