(2R,5R)-5-[(1S,2S)-2-acetylamino-1-benzyloxy-3-(3,5-difluorophenyl)-propyl]-2-(3,3-dimethylbutoxy)-morpholine-4-carboxylic acid tert-butyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
乙醇 为溶剂,
反应 14.0h,
以99.4%的产率得到(2R,5R)-5-[(1S,2S)-acetylamino-3-(3,5-difluorophenyl)-1-hydroxypropyl]-2-(3,3-dimethylbutoxy)-morpholine-4-carboxylic acid tert-butyl ester