SUBSTITUTED M-TRIFLUORMETHYLPHENYLUREA DERIVATIVES

    公开(公告)号:CA992982A

    公开(公告)日:1976-07-13

    申请号:CA132496

    申请日:1972-01-14

    Applicant: BASF AG

    Abstract: 1367968 Meta-trifluoromethylphenylurea derivatives BADISCHE ANILIN- & SODAFABRIK AG 14 Jan 1972 [15 Jan 1971] 1785/72 Heading C2C The invention comprises m-trifluoromethylphenylureas of the formula where R 1 denotes an alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl group or the radical R 3 CO- where R 3 has the same meanings as R 1 , X denotes oxygen or sulphur, and R 2 denotes an alkyl group having 1 to 3 carbon atoms, a methoxy group or hydrogen. They may be prepared by reacting a N-m-trifluoromethylphenyl- N-α-methylether (or thioether, acyloxy or acylmercapto)-carbamoyl chloride of the formula with the appropriate amine of the formula The carbamoyl chloride (II) may be prepared by reacting N-m-trifluoromethylphenyl-N-chloromethyl carbamoyl chloride with the appropriate alcohol, mercaptan, carboxylic acid or thiocarboxylic acid. The compounds of the invention may be used as active ingredients in herbicidal compositions.

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