ethyl 3-(3-iodo-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidin-7-yl)-8-azabicyclo[3.2.1]octane-8-carboxylate 、
2,3-二氟苯硼酸 以to yield 47.1 mg (48.5%) of ethyl 3-(3-(2,3-difluorophenyl)-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidin-7-yl )-8-azabicyclo[3.2.1]octane-8-carboxylate as a yellow solid after preparative TLC的产率得到ethyl 3-(3-(2,3-difluorophenyl)-2-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidin-7-yl)-8-azabicyclo[3.2.1]octane-8-carboxylate