1-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid 、 (S)-2,7-dimethyl-3-(1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl)-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine trifluoroacetic acid salt 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
生成 (S)-(2,7-dimethyl-3-(1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl)-2,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridin-6-yl)(1-methyl-1H-pyrazolo[3,4-b]pyridin-4-yl)methanone