瑞博司可里布 、
环己甲酰氯 以gave 2-[5-(4-cyclohexanecarbonyl-piperazin-1-yl)-pyridin-2-ylamino]-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (63 mg, 49%)的产率得到2-[5-(4-cyclohexanecarbonyl-piperazin-1-yl)-pyridin-2-ylamino]-7-cyclopentyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide