2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-N-(1-(cyclopentyl-methylsulfonyl)azetidin-3-yl)-5-fluoropyrimidin-4-amine 、
N-(azetidin-3-yl)-2-(5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-amine hydrochloride 以79%的产率得到3-(2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)azetidine-1-carboxamide