Halocarboxylic acid anilides
    2.
    发明授权
    Halocarboxylic acid anilides 失效
    羟基苯甲酸

    公开(公告)号:US3794683A

    公开(公告)日:1974-02-26

    申请号:US3794683D

    申请日:1971-08-24

    Applicant: HOECHST AG

    CPC classification number: C07C233/00

    Abstract: IN WHICH X1 AND X2 STAND FOR CHLORINE, FLUORINE OR BROMINE, X3 REPRESENTS HYDROGEN, CHLORINE, FLUORINE, BROMINE OR CHL2, Z MEANS NO2 OR CF3, HAL REPRESENTS IDENTICAL OR DIFFERENT HALOGEN ATOMS, PREFERABLY CHLORINE, BROMINE OR FLUORINE, N1 BEING ZERO OR 1 OR 2, AND THE SUM OF ZERO OR 1 OR 2, N3 BEING ZERO OR 1 OR 2 OR 3, N2 BEING N1 + N2 + N3 IS AN INTEGER IN THE RANGE OF FROM 1 TO 4. THE NOVEL COMPOUNDS HAVE A GOOD HERBICIDAL EFFECT AGAINST A SERIES OF MONO- AND DICOTYLEDONS.

    (X1-C(-X2)(-X3)-CO-NH-),(HAL-)N1,(NC-)N2,(F3C-)N2,Z-BENZENE

    THE INVENTION PROVIDES SUBSTITUTED HALOCARBOXYLIC ACID ANILIDES OF THE GENERAL FORMULA A

    HALOCARBOXYLIC ACID ANILIDES,THEIR PREPARATION AND THEIR USE AS HERBICIDES

    公开(公告)号:ZA715674B

    公开(公告)日:1972-04-26

    申请号:ZA715674

    申请日:1971-08-24

    Applicant: HOECHST AG

    Abstract: 1347076 Halocarboxylic acid anilides FARBWERKE HOECHST AG 18 Aug 1971 [26 Aug 1970] 38759/71 Heading C2C [Also in Division A5] The invention comprises halocarboxylic acid anilides of the formula wherein X 1 and X 2 each represents F, Cl or Br; X 3 represents H, Cl, F, Br or the group CHCl 2 ; Hal represents indentical or different halogen atoms, n 1 is 0, 1, 2 or 3, n 2 is 0, 1, or 2, n 3 is 0, 1 or 2 and the sum of n 1 +n 2 +n 3 is an integer from HO 4 . They may be obtained by reacting an appropriately substituted aniline (a) with a corresponding halocarboxylic acid halide in the presence of a tertiary base or (b) in the presence of H 2 SO 4 with a corresponding halocarboxylic anhydride or halocarboxylic acid. Compounds containing a nitro group may be obtained by nitrating the corresponding non-nitro-substituted compound with KNO 3 or HNO 3 in H 2 SO 4 . Examples are given for the production of the compounds. They are useful as herbicides for combating unwanted plant growth and as such may be used in conjunction with a carrier, other herbicides or fertilizers.

    7.
    发明专利
    未知

    公开(公告)号:DK131460B

    公开(公告)日:1975-07-21

    申请号:DK417571

    申请日:1971-08-25

    Applicant: HOECHST AG

    Abstract: 1347076 Halocarboxylic acid anilides FARBWERKE HOECHST AG 18 Aug 1971 [26 Aug 1970] 38759/71 Heading C2C [Also in Division A5] The invention comprises halocarboxylic acid anilides of the formula wherein X 1 and X 2 each represents F, Cl or Br; X 3 represents H, Cl, F, Br or the group CHCl 2 ; Hal represents indentical or different halogen atoms, n 1 is 0, 1, 2 or 3, n 2 is 0, 1, or 2, n 3 is 0, 1 or 2 and the sum of n 1 +n 2 +n 3 is an integer from HO 4 . They may be obtained by reacting an appropriately substituted aniline (a) with a corresponding halocarboxylic acid halide in the presence of a tertiary base or (b) in the presence of H 2 SO 4 with a corresponding halocarboxylic anhydride or halocarboxylic acid. Compounds containing a nitro group may be obtained by nitrating the corresponding non-nitro-substituted compound with KNO 3 or HNO 3 in H 2 SO 4 . Examples are given for the production of the compounds. They are useful as herbicides for combating unwanted plant growth and as such may be used in conjunction with a carrier, other herbicides or fertilizers.

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