2-fluoro-4-(1,1,2,2-tetrafluoroethylsulfinyl)aniline 、
2-chloro-6-fluorobenzoyl isocyanate 在
甲苯 作用下,
以
甲苯 为溶剂,
反应 0.5h,
以to give 1.0 g of N-(2-fluoro-6-chlorobenzoyl)-N'-[2-fluoro-4-(1,1,2,2-tetrafluoroethylsulfinyl)phenyl]urea (Compound No. 31), m.p. of 213°-216° C.的产率得到N-(2-fluoro-6-chlorobenzoyl)-N'-[2-fluoro-4-(1,1,2,2-tetrafluoroethylsulfinyl)phenyl]urea