(R)-4-Dibenzylamino-5-methyl-3-oxo-hexanoic acid tert-butyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 3.5h,
生成 (3R,4R)-4-Dibenzylamino-3-hydroxy-5-methyl-hexanoic acid tert-butyl ester 、 (3S,4R)-4-Dibenzylamino-3-hydroxy-5-methyl-hexanoic acid tert-butyl ester