Novel chiral phosphorus compounds of the formula ##STR1## wherein R signifies lower alkyl, R.sup.1 signifies phenyl and R.sup.2 and R.sup.3 signify hydrogen or lower alkoxy, which are suitable in the form of complexes with a metal of Group VIII as catalysts for asymmetric hydrogenations and for enantioselective hydrogen displacements in prochiral allylic systems.
公式为##STR1##的新手性
磷化合物,其中R表示低级烷基,R.sup.1表示苯基,R.sup.2和R.sup.3表示氢或低级烷氧基,这些化合物适合与第VIII族
金属形成配合物,作为不对称氢化反应的催化剂,以及对于
丙烯基体系的手性选择性氢位移。