反应详情

starting from ethyl 4-chloro-2-fluorobenzimidate and o-trifluoromethyl-benzoyl chloride there is obtained ethyl N-(o-trifluoromethyl-benzoyl)-2-fluoro-4-chlorobenzimidate and therefrom with methylhydrazine there is obtained 3-(4-chloro-2-fluorophenyl)-1-methyl-5-(o-trifluoromethyl-phenyl)-1H-1,2,4-triazole, m.p. 109.5°-112° C.;