ethyl 4-((5-chloro-1-methyl-6-oxo-1,6-dihydropyridin-3-ylamino)(4-chloro-2-fluorophenyl)methyl)-1-(2,4-dimethoxypyrimidin-5-yl)-5-isopropyl-1H-pyrazole-3-carboxylate 、 、
sodium hydroxide 在
氮 、
二氯甲烷 、
柠檬酸 、
水 、
Sodium sulfate-III 作用下,
以
tetrahydrofuran methanol 为溶剂,
反应 1.67h,
以to give 461 mg (0.741 mmol, 100% yield) of the title compound as a foam, which的产率得到4-((5-chloro-1-methyl-6-oxo-1,6-dihydropyridin-3-ylamino)(4-chloro-2-fluorophenyl)methyl)-1-(2,4-dimethoxypyrimidin-5-yl)-5-isopropyl-1H-pyrazole-3-carboxylic acid