ethyl 2-[3a-methoxymethyl-2,2-dimethyl-5-trityloxymethyl-(3aS,5S,6R,6aS)-perhydrofuro[2,3-d][1,3]dioxol-6-yloxymethyl]acrylate                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以70%的产率得到ethyl 2-[5-hydroxymethyl-3a-methoxymethyl-2,2-dimethyl-(3aS,5S,6R,6aS)-perhydrofuro[2,3-d][1,3]dioxol-6-yloxymethyl]acrylate