1-benzoyl-5-benzyl-2-(2,4-dichlorophenyl)-5-azaspiro[2.4]heptane-6,7-dione   、                                                                                      
1-phenyl-2-(tetrahydropyrimidin-2(1H)-ylidene)ethan-1-one                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 6.0h,
                                                                                                                以84%的产率得到5-benzoyl-2-benzyl-4-(2,4-dichlorophenyl)-10a-hydroxy-2,3,3a,4,6,7,8,9-octahydropyrrolo[3',4':5,6]pyrido[1,2-a]pyrimidin-1-(10aH)one