An efficient cost-effective process for preparation of l-erythro-2-amino-1-phenyl-1-propanol from l-1-phenyl-1-hydroxy-2-propanone, which comprises converting l-1-phenyl-1-hydroxy-2-propanone to l-1-phenyl-1-hydroxy-2-propanone oxime and reducing the oxime with a catalyst consisting of finely divided nickel and aluminium metals giving good diastereomeric purity and yield.
从l-1-苯基-1-羟基-2-
丙酮转化为l-1-苯基-1-羟基-2-
丙酮肟,然后用由细分散的
镍和铝
金属组成的催化剂还原
肟,从而高效、具有成本效益地制备l-erythro-2-
氨基-1-苯基-1-
丙醇的过程。