methyl 2-aminoimidazole-4(5)-acetate   、                                                                                      
2-(2,4-Dichlorobenzylidene)-3-oxobutanamide                                                                                                                                                                                              以
                                                                                         
异丙醇   、                                                                                         hexanes                                                                                  为溶剂,
                                                                                                                                                    反应 14.53h,
                                                                                                                以to provide methyl 2-(6-carbamoyl-5-(2,4-dichlorophenyl)-7-methyl-5,8-dihydroimidazo[1,2-a]pyrimidin-2-yl)acetate (1.14 g, 45%) as a tan solid的产率得到methyl 2-(6-carbamoyl-5-(2,4-dichlorophenyl)-7-methyl-5,8-dihydroimidazo[1,2-a]pyrimidin-2-yl)acetate