瑞博司可里布 、
溴代环戊烷 以gave 7-cyclopentyl-2-[5-(4-cyclopentyl-piperazin-1-yl)-pyridin-2-ylamino]-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (85 mg, 71%)的产率得到7-cyclopentyl-2-[5-(4-cyclopentylpiperazin-1-yl)pyridin-2-ylamino]-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide