2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-N-(1-(cyclopentyl-methylsulfonyl)azetidin-3-yl)-5-fluoropyrimidin-4-amine 、
甲氧基乙酰氯 以afforded 11.7 mg (51% yield) of 468的产率得到1-(3-(2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)azetidin-1-yl)-2-methoxyethanone