ethyl (E)-3-[(4R,5R)-5-[2-[tert-butyl(dimethyl)silyl]oxyacetyl]-2,2-dimethyl-1,3-dioxolan-4-yl]prop-2-enoate 在
六甲基磷酰三胺 、 samarium diiodide 作用下,
以
四氢呋喃 为溶剂,
以5%的产率得到ethyl 2-[(1R,5R,6R,7R)-7-[[tert-butyl(dimethyl)silyl]oxymethyl]-7-hydroxy-3,3-dimethyl-2,4-dioxabicyclo[3.2.0]heptan-6-yl]acetate