(S)-4-(2-(5-chloro-4-oxo-3-(pyridin-2-yl)-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)pyrrolidin-1-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile 在
甲醇 、
ammonium hydroxide 作用下,
以
三氟乙酸 为溶剂,
反应 2.0h,
以to give Compound 337 as a white solid的产率得到(S)-4-(2-(5-chloro-4-oxo-3-(pyridin-2-yl)-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)pyrrolidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile