4-(4-ethynyl-2-fluoro-phenylamino)-1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid 、
三氟乙酸五氟苯酯 在
吡啶 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 15.0h,
生成
4-(4-ethynyl-2-fluoro-phenylamino)-1-methyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid pentafluorophenyl ester