tert-butyl 4-[2-(3-chloro-2-methyl-1H-pyrrolo[2,3-b]pyridin-4-yl)-5-cyclopropylpyrido[3,4-d]pyrimidin-4-yl]piperazine-1-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以67%的产率得到2-(3-chloro-2-methyl-1H-pyrrolo[2,3-b]pyridin-4-yl)-5-cyclopropyl-4-piperazin-1-yl-pyrido[3,4-d]pyrimidine