(4-Chloro-1,3-dimethylpyrazolo[5,4-b]pyridin-5-yl)-n-({[3-(1-methylethoxy)phenyl]amino}carbonyl)carboxamide 、
哌啶-4-甲酸乙酯 在
水 作用下,
以
四氢呋喃 为溶剂,
反应 5.0h,
以to give ethyl 1-{1,3-dimethyl-5-[N-({[3-(1-methylethoxy)phenyl]amino}carbonyl)carbamoyl]-pyrazolo[5,4-b]pyridin-4-yl}piperidine-4-carboxylate as a white powder的产率得到ethyl 1-{1,3-dimethyl-5-[N-({[3-(1-methylethoxy)-phenyl]amino}carbonyl)carbamoyl]pyrazolo[5,4-b]pyridin-4-yl}piperidine-4-carboxylate