(4-(3-ethynylimidazo[1,2-b]pyridazin-6 yl)phenyl)(morpholino)methanone   、                                                                                      
4-Iodo-1H-pyrrolo[2,3-b]pyridin-6-amine                                                                                                                                                              在
                                                                                                                                                                                 (4-(3-((6-amino-1H-pyrrolo[2,3-b]pyridin-4-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone   、                                                                                                  crude product   、                                                                                                  silica gel   、                                                                                                  
methanol-dichloromethane                                                                                                                                  作用下,
                                                                                                                                                                                                                            以to afford (4-(3-((6-amino-1H-pyrrolo[2,3-b]pyridin-4-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone (8 mg, AUC HPLC 95%) as a light yellow solid的产率得到(4-(3-((6-amino-1H-pyrrolo[2,3-b]pyridin-4-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone