methyl 6-(N-(2-(tert-butyldimethylsilyloxy)ethyl)methylsulfonamido)-2-(4-fluorophenyl)-5-benzyloxypyrazolo[1,5-a]pyridine-3-carboxylate 在
palladium 10% on activated carbon
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 2.0h,
生成 methyl 6-(N-(2-(tert-butyldimethylsilyloxy)ethyl)methylsulfonamido)-2-(4-fluorophenyl)-5-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate