(4-(3-ethynylimidazo[1,2-b]pyridazin-6 yl)phenyl)(morpholino)methanone   、                                                                                      
5-氟-6-碘-1H-吡咯并[2,3-B]吡啶                                                                                                                                                              在
                                                                                                                                                                                 (4-(3-((5-fluoro-1H-pyrrolo[2,3-b]pyridin-6-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone   、                                                                                                  silica gel   、                                                                                                  
methanol-dichloromethane                                                                                                                                  作用下,
                                                                                                                                                                                                                            以to afford (4-(3-((5-fluoro-1H-pyrrolo[2,3-b]pyridin-6-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone (13 mg, AUC HPLC 98%) as yellow solid的产率得到(4-(3-((5-fluoro-1H-pyrrolo[2,3-b]pyridin-6-yl)ethynyl)imidazo[1,2-b]pyridazin-6-yl)phenyl)(morpholino)methanone