Aminoacetic acid ethyl ester chloride 、
5-(2,6-dichloro-4-trifluoromethyl-phenoxy)-2-nitrobenzoic acid chloride 、
乙腈 、
sodium hydroxide 在
水 作用下,
以
水 为溶剂,
以23 g (95% of theory) of 5-(2,6-dichoro-4-trifluoromethyl-phenoxy)-2-nitro-benzoic acid (ethoxycarbonylmethyl)-amide with a melting point of 146° C. were obtained的产率得到5-(2,6-dichoro-4-trifluoromethyl-phenoxy)-2-nitro-benzoic acid (ethoxycarbonylmethyl)-amide