2-chloro-7-cyclopentyl-N-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide 、
3-(6-aminopyridine-3-carbonyl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylic acid tert-butyl ester 以gave 3-[6-(7-cyclopentyl-6-methylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridine-3-carbonyl]-3,8-diaza-bicyclo[3.2.1]octane-8-carboxylic acid tert-butyl ester as a yellow solid的产率得到3-[6-(7-cyclopentyl-6-methylcarbamoyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)pyridine-3-carbonyl]-3,8-diazabicyclo[3.2.1]octane-8-carboxylic acid tert-butyl ester