申请人:——
公开号:US04356324A1
公开(公告)日:1982-10-26
The invention is directed to optically active 1,2-bis-(diphenylphosphino)-compounds of the general formula ##STR1## where Ph is a phenyl group and R is a straight or branched chain alkyl group with 2 to 20 carbon atoms or a benzyl group. Especially preferred are compounds in which R is an isopropyl or a benzyl group. These compounds can serve as chiral ligands in noble metal complexes, especially in rhodium complexes, which can be used as catalysts for the homogeneous asymmetrical hydrogenation of pro-chiral unsaturated compounds.
该发明涉及具有通式##STR1##的光学活性1,2-双(二苯基膦)化合物,其中Ph是苯基团,R是具有2至20个碳原子的直链或支链烷基团或苄基团。特别偏好的是R为异丙基或苄基团的化合物。这些化合物可用作惰性金属配合物中的手性配体,特别是在铑配合物中,可用作催化剂,用于对前手性不饱和化合物进行均相不对称氢化。