The present invention relates to an improved process for preparing chiral N-substituted N-methyl-3-hydroxy-3-(2-thienyl)-propylamine on an industrial scale using an asymmetric hydrogenation as a key step and optionally a special sequence of subsequent steps, using a catalyst system consisting of rhodium and (2R, 4R)-4-(dicyclohexylphosphino)-2-(diphenyl-phosphino-methyl)-N-methyl-aminocarbonyl-pyrrolidine.
本发明涉及一种改进的工业规模下制备手性N-取代N-甲基-3-羟基-3-(2-
噻吩基)-
丙胺的方法,其中采用不对称氢化作为关键步骤,可选地采用一系列特殊的后续步骤,使用由
铑和(2R,4R)-4-(
二环己基膦)-2-(
二苯基膦甲基)-N-甲基
氨基甲酰
吡咯烷组成的催化剂系统。