(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