在
六甲基磷酰三胺 、 samarium diiodide 作用下,
以
四氢呋喃 为溶剂,
以33%的产率得到ethyl (3aS,4S,5S,6S,6aS)-6-[(3aS,4R,5S,6S,6aS)-4-(2,2-dimethylpropanoyloxymethyl)-5-ethoxycarbonyl-4-hydroxy-2,2-dimethyl-3a,5,6,6a-tetrahydrocyclopenta[d][1,3]dioxol-6-yl]-4-(2,2-dimethylpropanoyloxymethyl)-4-hydroxy-2,2-dimethyl-3a,5,6,6a-tetrahydrocyclopenta[d][1,3]dioxole-5-carboxylate