(2R,3S,5R)-5-[(1R,2S)-3-(3-bromo-5-fluorophenyl)-1-hydroxy-2-nitropropyl]-2-(2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester 在
锌 水 、
乙酸乙酯 、
magnesium sulfate 作用下,
以
溶剂黄146 为溶剂,
反应 22.0h,
以to provide the title compound (0.49 g, 99.5%) as a white foam的产率得到(2R,3S,5R)-5-[(1S,2S)-1-hydroxy-2-amino-3-(3-bromo-5-fluorophenyl)-propyl]-2-(2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester