(S)-4-Oxo-4-phenyl-2-(toluene-4-sulfonylamino)-butyric acid tert-butyl ester 在
sodium tetrahydroborate 作用下,
以
异丙醇 为溶剂,
反应 3.0h,
生成 (2S,4S)-4-Hydroxy-4-phenyl-2-(toluene-4-sulfonylamino)-butyric acid tert-butyl ester 、 (2S,4R)-4-Hydroxy-4-phenyl-2-(toluene-4-sulfonylamino)-butyric acid tert-butyl ester