N-[4-chloro-5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide 、 ethyl acetate hydrochloride 在
Diisopropyl ether ethanol 、
异丙醚 作用下,
以
甲醇 为溶剂,
反应 18.0h,
以to give the title compound (2.0 g, quant.) as a brown powder的产率得到N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-fluorophenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride