申请人:Hoffmann-La Roche Inc.
公开号:US05274125A1
公开(公告)日:1993-12-28
Novel, racemic and optically active phosphorus compounds of the formula ##STR1## wherein R signifies lower alkyl, lower alkoxy or a protected hydroxy group, R.sup.1 signifies a five membered heteroaromatic ring, R.sup.2 stands for lower alkyl or lower alkoxy and n represents the number 0, 1 or 2, are described. The compounds of formula I serve in the form of complexes with a metal of Group VIII as catalyst for asymmetric hydrogenations and for enantioselective hydrogen displacements in prochiral allylic systems.
该文提到了一种化合物,其化学式为##STR1##,其中R代表较低的烷基、较低的烷氧基或受保护的羟基,R.sup.1代表五元杂芳环,R.sup.2代表较低的烷基或较低的烷氧基,n代表数字0、1或2。化合物I的形式为与第VIII族金属形成的配合物,用作不对称氢化的催化剂,以及用于对手性选择性氢位移在非手性烯丙基系统中。