甲基溴化镁 、
4-(2,2-dimethylpropyl)-N,N-dimethyl-2-{[4-(1-{[2-(trimethylsilyl)ethoxy]methyl}-1,4,5,6-tetrahydro-7H-pyrazolo[3,4-b]pyridin-7-yl)phenyl]acetyl}-1H-imidazole-1-sulfonamide 在
氯化铵 、
二氯甲烷 、
乙酸乙酯 、
magnesium sulfate 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以to afford 4-(2,2-dimethylpropyl)-2-{1-hydroxy-1-methyl-2-[4-(1-{[2-(trimethylsilyl)-ethoxy]methyl}-1,4,5,6-tetrahydro-7H-pyrazolo[3,4-b]pyridin-7-yl)phenyl]ethyl}-N,N-dimethyl-1H-imidazole-1-sulfonamide which的产率得到4-(2,2-dimethylpropyl)-2-{1-hydroxy-1-methyl-2-[4-(1-{[2-(trimethylsilyl)-ethoxy]methyl}-1,4,5,6-tetrahydro-7H-pyrazolo[3,4-b]pyridin-7-yl)phenyl]ethyl}-N,N-dimethyl-1H-imidazole-1-sulfonamide