4,6-dichloro-5-(4-methoxyphenyl)pyrimidine   、                                                                                      p-Methoxybenzenesulfonamide potassium                                                                                                                                                                                              以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以there were obtained 690 mg of N-[6-chloro-5-(p-methoxyphenyl)-4-pyrimidinyl]-p-methoxybenzenesulfonamide, melting point 165°-167° C.的产率得到N-[6-chloro-5-(p-methoxyphenyl)-4-pyrimidinyl]-p-methoxybenzenesulfon-amide