(3S)-N-(indan-5-yl)-3-methyl-4-[1-methyl-6-(methylsulfonyl)pyrazolo[3,4-d]pyrimidin-4-yl]piperazine-1-carboxamide 、
sodium methylate 在
silica gel 、 cyclohexane, ethyl acetate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以to provide the title compound (25 mg, 56%) as a white solid的产率得到(3S)-N-(indan-5-yl)-4-(6-methoxy-1-methylpyrazolo[3,4-d]pyrimidin-4-yl)-3-methylpiperazine-1-carboxamide