(S)-6-((3aR,4R,6S,7R,7aR)-7-Azido-2,2-dimethyl-4-triisopropylsilanyloxymethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-hexanoic acid benzyl ester                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 49.0h,
                                                                                                                以91%的产率得到(S)-6-((3aR,4R,6S,7R,7aR)-7-Azido-4-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-hexanoic acid benzyl ester