(4-(3-ethynylimidazo[1,2-b]pyridazin-6 yl)phenyl)(morpholino)methanone 、
N-(3-iodophenyl)benzamide 在
N-(3-((6-(4-(morpholine-4-carbonyl)phenyl)imidazo[1,2-b]pyridazin-3-yl)ethynyl)phenyl)benzamide 、 crude product 、 silica gel 、
methanol-dichloromethane 作用下,
以to afford N-(3-((6-(4-(morpholine-4-carbonyl)phenyl)imidazo[1,2-b]pyridazin-3-yl)ethynyl)phenyl)benzamide (20.0 mg, 25%, AUC HPLC 97%) as a yellow solid的产率得到N-(3-((6-(4-(morpholine-4-carbonyl)phenyl)imidazo[1,2-b]pyridazin-3-yl)ethynyl)phenyl)benzamide