ethyl-3-{(3aR,4'S,5R,6aR)-2,2-dimethyl-2'-oxodihydro-3aH-spiro[furo[2,3-d][1,3]dioxole-6,4'-oxazolidine]-5-yl}acrylate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以85%的产率得到ethyl 3-{(3aR,4'S,5R,6aR)-2,2-dimethyl-2'-oxodihydro-3aH-spiro[furo[2,3-d][1,3]-dioxole-6,4'-oxazolidine]-5-yl}propanoate