(R,E)-N-benzylidene-1-((3aR,5R,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)but-3-en-1-amine oxide                                                                                                                                                                                              以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以80%的产率得到(2R,4S,6S)-2-((3aR,5R,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)-6-phenyl-7-oxa-1-azabicyclo[2.2.1]heptane