4-trifluoromethyl-piperidine-1-carboxylic acid 6-hydroxy-4-methyl-1H-pyrazolo[3,4-b]pyridin-3-yl ester 、
4-甲基哌嗪-1-甲酰氯盐酸盐 在
三乙胺 作用下,
以
吡啶 为溶剂,
反应 6.0h,
以25%的产率得到4-methyl-piperazine-1-carboxylic acid 4-methyl-3-(4-trifluoromethyl-piperidine-1-carbonyloxy)-1H-pyrazolo[3,4-b]pyridin-6-yl ester trifluoroacetate