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-氨基苯甲酸甲酯   、                                                                                      
N,N-二异丙基乙胺                                                                                                                                                                                              以
                                                                                         
异丙醇                                                                                  为溶剂,
                                                                                                                                                                                        以The title compound is obtained after trituration with 2-propanol as a brown solid (148 mg, 47%)的产率得到4-(5-bromo-[1,2,4]triazolo[1,5-a]pyrazin-8-ylamino)-benzoic acid methyl ester