ethyl 1-(4-hydroxy-2-methylphenyl)-4-oxo-6-ethyl-1,4-dihydropyridine-3-carboxylate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 73.0h,
生成 6-[(E)-2-(3,4-Difluoro-phenyl)-1-methyl-vinyl]-1-(4-hydroxy-2-methyl-phenyl)-4-oxo-1,4-dihydro-pyridine-3-carboxylic acid