4-{8-[4-(4-methyl-piperazin-1-yl)-phenylamino]-[1,2,4]triazolo[1,5-a]pyrazin-5-yl}-thiophene-2-carboxylic acid amide   、                                                                                      
5,8-二溴-[1,2,4]噻唑并[1,5-a]吡嗪   、                                                                                      
4-(4-异丙基哌嗪-1-基)苯胺   、                                                                                      
N,N-二异丙基乙胺                                                                                                                                                                                              以
                                                                                         
异丙醇   、                                                                                         petroleum ether   、                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 16.0h,
                                                                                                                以The title compound is isolated after trituration with diethyl ether and petroleum ether as a grey solid (2.59 g, 87%)的产率得到(5-bromo-[1,2,4]triazolo[1,5-a]pyrazin-8-yl)-[4-(4-isopropyl-piperazin-1-yl)-phenyl]-amine