2-{[6-(3-{[3-(1-cyanocyclopropyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazin-2-yl]amino}-2-oxoethyl acetate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以50%的产率得到3-(1-cyanocyclopropyl)-N-(3-{[2-(glycoloylamino)imidazo[1,2-b]pyridazin-6-yl]oxy}phenyl)benzamide