ethyl (E)-3-[(4S,5S)-5-[(4R)-2,2-dimethyl-1,3-dioxolane-4-carbonyl]-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50%的产率得到ethyl 2-[(1S,5S,6S,7S)-7-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-7-hydroxy-3,3-dimethyl-2,4-dioxabicyclo[3.2.0]heptan-6-yl]acetate