(R)-2-[(2R,3R)-2-Mercapto-4-oxo-3-(2-phenoxy-acetylamino)-azetidin-1-yl]-3-methyl-butyric acid benzyl ester 在
sodium cyanoborohydride 、
溶剂黄146 作用下,
以
甲醇 为溶剂,
生成 (R)-2-[(R)-3-Mercapto-2-(2-phenoxy-acetylamino)-propionylamino]-3-methyl-butyric acid benzyl ester