4-(6-氨基吡啶-3-基)哌嗪-1-羧酸叔丁酯 、
8-cyclopentyl-6-ethyl-2-methanesulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one 在
4-[6-(8-cyclopentyl-6-ethyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-ylamino)pyridin-3-yl]piperazine-1-carboxylic acid tert-butyl ester 、
甲苯 作用下,
以
甲苯 为溶剂,
反应 10.0h,
以yielding 4-[6-(8-Cyclopentyl-6-ethyl-7-oxo-7,8-dihydro-pyrido[2,3-d]pyrimidin-2-ylamino)-pyridin-3-yl]-piperazine-1-carboxylic acid tert-butyl ester as a solid (0.204 g)的产率得到4-[6-(8-cyclopentyl-6-ethyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-ylamino)pyridin-3-yl]piperazine-1-carboxylic acid tert-butyl ester