| 摘要 |
Title compds. (I; R= C1 or F ; R' = C1, F, or H; R"=F,C1, or Br), useful as insecticide, were prepd. by reacting 3-trifluoromethyl-4-halogenoaniline(II) with benzoylisocyanate(III). Thus, toluene soln. of 2-chlorobenzoylisocyanate 18.2 g and 4-chloro-3-trifluoromethylaniline 19.5 g was mixed, stirred for 1 hr at 40≦̸C, cooled, filtered, washed with toluene and petroleum ether, and then dried to give I
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