tert-butyl (1R,2S,3S,6R,7S,4'S)-6-benzyloxy-7-ethenyl-3-hydroxy-2-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-bicyclo[4.1.0]heptane-1-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 48.0h,
以37%的产率得到tert-butyl (1R,3S*,4S,5S,4'S)-2-ethyl-5-hydroxy-4-(2',2'-dimethyl-1',3'-dioxolan-4'-yl)-1-oxocycloheptane-3-carboxylate