2-chloro-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carbonitrile 、
tert-butyl 4-(6-aminopyridin-3-yl)-1,4-diazepane-1-carboxylate 以gave 4-[6-(6-cyano-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-[1,4]diazepane-1-carboxylic acid tert-butyl ester (96 mg) [的产率得到4-[6-(6-cyano-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-[1,4]diazepane-1-carboxylic acid tert-butyl ester