N-hexyl-N-(2-methyl-3-oxocyclopent-1-enyl)pent-4-enamide                                                                                                                                                                                              以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (3aR,4aS,8aR)-8-Hexyl-3a-methyl-hexahydro-8-aza-cyclopenta[1,4]cyclobuta[1,2]benzene-3,7-dione   、                                                                                             (3aR,4aR,8aR)-8-Hexyl-3a-methyl-hexahydro-8-aza-cyclopenta[1,4]cyclobuta[1,2]benzene-3,7-dione