Disclosed are novel ruthenium compounds of formula (Ia) and (Ib):
wherein R
1
and the moiety
are defined herein. Also disclosed is a process for using these novel ruthenium compounds as catalysts for asymmetric hydrogenation and transfer hydrogenation of ketones with high reactivities and excellent selectivities.
本发明揭示了一种新型
钌化合物的
化学式(Ia)和(Ib):其中R1和该基团在此定义。还揭示了一种使用这些新型
钌化合物作为催化剂进行
酮类的不对称氢化和转移氢化的方法,具有高反应性和优异选择性。