N-{1-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-1H-pyrazol-3-yl}-2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-3-(tetrahydro-pyran-4-yl)-propionamide 在
盐酸 碳酸氢钠 、
水 、
magnesium sulfate 、 Silica gel 、
methanol-dichloromethane 作用下,
以
乙醇 、
乙酸乙酯 为溶剂,
反应 16.0h,
以Silica gel column chromatography (AnaLogix 80 g, 1-10% methanol/methylene chloride) afforded 2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-N-[1-(2-hydroxy-ethyl)-1H-pyrazol-3-yl]-3-(tetrahydro-pyran-4-yl)-propionamide (298 mg, 68%) as a white solid的产率得到2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-N-[1-(2-hydroxy-ethyl)-1H-pyrazol-3-yl]-3-(tetrahydro-pyran-4-yl)-propionamide