potassium 2-chloro-4-fluoro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H)-pyrimidinyl]-4-fluorobenzoate 、
环氧氯丙烷 以
N-甲基乙酰胺 、
水 为溶剂,
生成
2,3-epoxypropyl 2-chloro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H)-pyrimidinyl]-4-fluorobenzoate