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새로운 살충제, 1-(2,6-Difluorobenzoyl)-3-(3,5-bistrifluoromethyl-2-chlorophenyl) urea (DBI-3204)의 합성법
황일선(Ill Sun Whang),김선옥(Sun Ok Kim),김중호(Jung Ho Kim),정근회(Kun Hoe Chung) 한국농약과학회 2002 농약과학회지 Vol.6 No.2
Synthetic method of a new benzoylphenylurea insecticide, DBI-3204 [1-(2,6-Difluorobenzoyl)-3-(3,5-bistrifluoromethyl-2-chlorophenyl) urea] was established for manufactural production; 2,6-Difluorobenzoylisocyanate was synthesized by the reaction of 2,6-difluorobenzamide with oxalylchloride in 95% yields, the reaction of 3,5-bis(trifluoromethyl)aniline with N-chlorosuccinimde gave 3,5-bis(trifluoromethyl)-2-chloroaniline in 92% yields, and DBI-3204 was got from 2,6-difluorobenzoylisocyanate and 3,5-bis(trifluoromethyl)-2-chloroaniline in 90% yields. All the process was simplified by using the same reaction solvent, carbontetrachloride.