New steroidal chiral phosphines of formula
wherein R represents a phosphorated group selected between
and
methods for their preparation; catalytic systems comprising metal complexes and the above steroidal chiral phosphines; asymmetrical catalytic processes like hydrogenation, hydroformylation and hydrocarbalkoxylation of prochiral compounds which employ said catalytic systems.
式中的新型甾体手性膦
式中 R 代表选自以下两项的
磷化基团
和
其制备方法;由
金属络合物和上述甾体手性膦组成的催化体系;采用上述催化体系的不对称催化过程,如原手性化合物的氢化反应、加氢甲酰化反应和加氢烷氧基化反应。