ethyl (7S,8R)-8-{[(1R)-1-phenylethyl]amino}-1,4-dioxaspiro[4.5]decane-7-Carboxylate hydrobromide 在
palladium-carbon
氮气 、
氢气 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以to give the title compound (353 g)的产率得到ethyl (7S,8R)-8-amino-1,4-dioxaspiro[4.5]decane-7-carboxylate hydrobromide