1,1-dimethylethyl 1-{[1-ethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methyl}-4-piperidine-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
生成 1-{[1-ethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridin-5-yl]methyl}-4-piperidinecarboxylic acid hydrochloride