• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    N-Arytsulfonyl-N'-pyrimidinyl-hamstoffe der allgemeinen Formel und die Salze dieser Verbindungen mit Aminen, Alkali- oder Erdalkalimetallbasen oder mit quatemären Ammoniumbasen haben gute pre- und postemergent-selektive herbizide und wuchsregulierende Eigenschaften. In dieser Formel bedeuten R18 Wasserstoff, Alkyl oder Alkoxy, X einen gegebenenfalls substituierten Phenylrest oder einen gegebenenfalls substituierten Naphthylrest, Y C1-C3-Alkyl, C1-C3-Halogenalkyl, C1-C3-Alkoxy, C,-C3-Halogenalkoxy, C1-C3-Alkylthio, C2-C3-Alkoxyalkyl, Halogen oder eine gegebenenfalls substituierte Aminogruppe und Z Sauerstoff oder Schwefel.
    公开号:SU1187700A3
    申请号:SU833536723
    申请日:1983-01-10
    公开日:1985-10-23
    发明作者:Мейер Вилли；Гасс Карл；Тепфль Вернер；Шуртер Рольф；Писсиотас Георг
    申请人:Циба-Гейги Аг (Фирма)；
    IPC主号:
    专利说明:

    tilthio, trifluoromethyl, amino, C-Cd-alkoxy, Cx-alkoxycarbonyl, benyloxycarbonyl, propargyloxycarbonyl, 2-chloroethoxycarbonyl, 2-methoxyethox: icarbonyl, chloromethyl, 2 J 2,2-trifluoroethoxysulfonyl, nitrohydrocyc, hydroxyethyl, carbonyl, chloromethyl, 2 J 2 dimethylamino sulfonyl, 3, 3,3-tri-fluoropropyl, dimethylamino
    - hydrogen, chlorine, fluorine, SI labels, methyl, nitro, amino methylthio5
    - hydrogen, chlorine, nitro;
    - hydrogen, methyl
    - methyl, ethyl, difluormethoxy, dimethylamino, methoxy, ethoxy,
    .82 at Y - chlorine, fluorotrifluoromethyl, methyl
    . . one . ,
    This invention relates to chemical methods for controlling weeds and undesirable vegetation, namely, a method for controlling undesirable vegetation using arylsulfonylurea derivatives.
    The aim of the invention is to improve the efficiency of a method for controlling undesirable vegetation based on the use of arylsulfonylurea derivatives.
    In tab. 1 shows the arylsulfonylurea derivatives used as active substances of the general formula.
    about „And Ch -sh-e-CHO)
    V
    PRI me R 1. Pre-emergence application. Plastic pots filled with cellular vermiculite, saturate it with an aqueous emulsion of the active substance (dose of 5 kg / ha) and seed the seeds of experimental plants in it. After this, the pots are placed in greenhouse conditions and kept for 12 days. The assessment of the herbicidal effect is carried out on a scale from 1 to 9: 1 - 2-3 plants were dying. Severe damage j - moderate damage j 7-8 weak damage -, 9 - no „herbicidal action.
    The results of the experiments are presented in table. 2. Compound numbers correspond to the numbers in the table. one.
    PRI mme R 2. Pre-emergence application with the determination of selectivity. The experiments were carried out under the conditions of example 1 with the difference that the evaluation of the effectiveness was carried out in three. weeks: after processing etkn. The results of the experiments are presented, in ta.bl, 3.
    Example 3: Determination of germicidal action after shoot
     plants (contact action). A number of weeds and cultivated plants of both monocotyledonous and dicotyledonous plants are sprayed after they reach the stage of the 4th and 6th sheets of water.
     dispersion of the biologically active substance in a dosage of 0.5 kg / ha and then holding it at 24-26 ° C and 45-60% relative humidity. 15 days after treatment
    20, the results of the experiment are evaluated and the assessment is made according to the scale given in Example 1.
    The results of the experiment are presented in, table. four..
    PRI me R 4. A. Pre-emergence treatment. In a greenhouse, seeds of soybean and some weeds are sown in pots with a diameter of 11 cm. Immediately after sowing
    20 surface of the soil is treated with an aqueous dispersion or solution of the active substance. The dose of the active substance is 250, 125 and 60 g / ha. Potted soak in
    35 greenhouse at 22-25C and relative humidity of 50-70%. After 3 sneakers, the processing results are evaluated on a scale given
    in example 1. The results of the experiments are presented in table. five.
    B. Post-harvest processing. . : Soybean plants, as well as some weeds, are sprayed after emergence at the stage of their 4–6 leaves with an aqueous suspension with a dose of the active substance 500, 250 and 125 g / ha. After this, the plants are incubated at 2426 ° C and relative air humidity of 45-60%. 15 days after connection A
    ABOUT
    | -S02-NH-C C1
    OCH2Sg
    Compound &
    Continued table. one
    92 Isopropyloxycarbonyl
    Hydrogen
    Continued table. one
    Chlorine
    1 Continuation of the table. one
    131187700
    Continuation of table 2
    14
    Continuation of table 2
    Continuation of table 2
    2 2 3 8 3 1 1 2 2 1 6 2 4 6 2
    1 1 1 2 2 1 1 3 1 1 3 1 1 1 1
    2 2 2 9 3 1 t 2 1 1 6 2 2 6 1
    2 1 2 2 2 1 1 3 2 1 3 1 2
    . 12
    Continuation of table 2
    T a blitz 4
    Table 6
    权利要求:
    Claims (2)
    [1]
    METHOD FOR CONTROLING UNWANTED VEGETATION by treating it or the soil on which it grows with derivatives of arylsulfonylurea, characterized in that, in order to increase its effectiveness, use a compound of the general formula as derivatives of arylsulfonylurea n- ( CHF2 X-SO ^ HCN-ZO) where X is a group where R, is hydrogen, fluoro, chloro, bromo, iodo, methyl, propyl, methylthio, trifluoromethyl, amino, CC 3 = alkoxy, Cj-C 4 - alkoxycarbonyl, benzyloxycarbonyl, propargyloxycarbonyl,
    2-chloroethoxycarbonyl, 2-methoxyethoxycarbonyl, chloromethyl, 2,2,2-trifluoroethoxysulfonyl, nitro, C, - or 0 ^ -alkylsulfonyl, dimethylaminosulfonyl, 3,3,3-trifluoropropyl or dimethylamino,
    Rj is hydrogen, fluoro, chloro, methoxy, methyl, nitro, amino, methylthio;
    R 3 - hydrogen, chlorine, nitro ·,
    R 4 is hydrogen, methyl;
    Y is chlorine, methyl, ethide, difluorometh. toxins, dimethylamino, methoxy, ethoxy, methylthio, fluoromethyl; trifluoromethyl, provided that:
    a) R 1 is methoxy, R 2 is chlorine,
    R + is hydrogen, Y is methyl, if Rj is chloro;
    b) and R 3 is methyl, R ^ is hydrogen, Y is methyl, if R 3 is nitro;
    c) R 1 is methoxycarbonyl, R 2 and R 3 are hydrogen, Y is difluoromethoxy, if
    R 4 is methyl;
    d) R 4 is hydrogen, Y is methyl, if in an amount of 0.06-5 kg / ha. Priority by signs:
    11.01 .82 at X, Ί) - or VL V <§ * C1 where R 4- hydrogen, fluorine, chlorine bromine
    iodine, methyl, propyl, meSU .. ,, 1187700 .1187700 tiltio, trifluoromethyl, amino, C, - C 3 -alkoxy,
    C, - C 4 -alkoxycarbonyl, benylalkicarbonyl, propargyloxycarbonyl, 2-chloroethoxycarbonyl, 2-methoxyethoxycarbonyl, chloromethyl, 2,2,2-trifluoroethoxysulfonyl, nitro, or C j -alkyl sulfonyl, dimethylamino sulfonyl, 3,3, 3-trifluoro-M · propyl, dimethyl amino; , t:
    R 2 is hydrogen, chlorine, fluorine, methoxy, methyl, nitro, amino, methylthio;
    R 3 is hydrogen, chlorine, nitro;
    R 4 is hydrogen, methyl;
    Y is methyl, ethyl, difluoromethoxy, dimethylamino, methoxy, ethoxy.
    [2]
    09/02/82 at Y - chlorine, fluoryl, trifluoromethyl, methyl -
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    同族专利:
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    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH12482|1982-01-11|
    CH522482|1982-09-02|LV930870A| LV5654A3|1982-01-11|1993-06-30|Attack to combat the untreated plants|
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