(2R,3S)-4-[(4S)-4-benzyl-2-oxooxazolidine-3-yl]-3-benzyloxy-2-benzyloxycarbonylamino-4-oxo-2-trifluoromethylbutyric acid ethyl ester 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 5.5h,
以73%的产率得到(1S,2S)-(2-benzyloxy-3-hydroxy-1-hydroxymethyl-1-trifluoromethylpropyl)carbamic acid benzyl ester