The present invention relates to a process of the asymmetric hydrogenation of an unsaturated ketone or aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex and in the presence of at least one additive and a halogenated alcohol. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
本发明涉及一种不对称氢化的过程,通过在至少一种手性
铱配合物和至少一种添加剂以及卤代醇存在下,分子氢的存在下氢化不饱和酮或醛。该过程以非常高效的方式产生手性化合物,并且非常有优势的是,
铱配合物的用量可以显著降低。