Acetic acid (3aS,5S,5aR,8aR,8bS)-4,4-difluoro-1,7,7-trimethyl-octahydro-2,6,8-trioxa-1-aza-as-indacen-5-yl ester 在
palladium hydroxide - carbon
氢气 作用下,
以
乙醇 为溶剂,
20.0 ℃
、506.62 kPa
条件下,
反应 19.0h,
以92%的产率得到Acetic acid (3aR,4S,6S,7S,7aR)-5,5-difluoro-6-hydroxymethyl-2,2-dimethyl-7-methylamino-hexahydro-benzo[1,3]dioxol-4-yl ester