tert-butyl 2-{4-[3-cyano-4-(tetrahydropyran-4-yloxy)phenyl]pyridin-2-yl-amino}-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.5h,
以97 mg的产率得到2-(tetrahydropyran-4-yloxy)-5-[2-(5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-2-ylamino)pyridin-4-yl]benzonitrile