4-Chloro-2-dimethylamino-7-ethoxy-9-phenyl-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile   、                                                                                      
4-哌嗪苯乙酮                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        以65%的产率得到4-[4-(4-Acetyl-phenyl)-piperazin-1-yl]-2-dimethylamino-7-ethoxy-9-phenyl-pyrido[3',2':4,5]thieno[3,2-d]pyrimidine-8-carbonitrile