2,6-二氟苯甲酰异氰酸酯 、
4-(2-Chloro-4-nitrophenoxy)-2-methylaniline 在
甲苯 、 petroleum ether 、 2-chloro-4-nitro-3'-methyl-4'-[N-(N'-2,6-difluorobenzoyl))-ureido 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以7 g (75% of theory) of 2-chloro-4-nitro-3'-methyl-4'-[N-(N'-2,6-difluorobenzoyl))-ureido]-diphenyl ether of melting point 190° C were obtained的产率得到二苯醚