6-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-pyridone 、
2-溴丙酸甲酯 、
N,N-二甲基甲酰胺 、
potassium carbonate 在
乙酸乙酯 、
magnesium sulfate 、
2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-6-{1-(methoxycarbonyl)ethoxy}pyridine 作用下,
以
水 为溶剂,
反应 1.0h,
以to obtain 72 mg of 2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-6-{1-(methoxycarbonyl)ethoxy}pyridine [present compound 2-42]的产率得到2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-6-{1-(methoxycarbonyl)ethoxy}pyridine