N,N-dimethyl-2-(3-butenyloxy)benzylamine N-oxide                                                                                                                                                              在
                                                                                                                                                                                 
lithium diisopropyl amide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (3aS,10bR)-1-Methyl-2,3,3a,4,5,10b-hexahydro-1H-6-oxa-1-aza-benzo[e]azulene   、                                                                                             (3aR,10bR)-1-Methyl-2,3,3a,4,5,10b-hexahydro-1H-6-oxa-1-aza-benzo[e]azulene