3-(2,2-difluoro-2-(4-fluorophenyl)acetamido)-1-methyl-1H-pyrazole-4-carboxamide 在
silica gel 、
methanol-dichloromethane 作用下,
以
溶剂黄146 为溶剂,
反应 5.0h,
以to afford 6-(difluoro(4-fluorophenyl)methyl)-2-methyl-2H-pyrazolo[3,4-d]pyrimidin-4-ol (425 mg, 69%) as a white solid的产率得到6-(difluoro-(4-fluorophenyl)methyl)-2-methyl-2H-pyrazolo[3,4-d]pyrimidin-4-ol