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1-(2-OXYAMINOSULPHONYLPHENYLSULPHONYL)-3-HETEROARYL-UREAS,THEIR PREPARATION AND THEIR USE AS HERBICIDES
1-(2-OXYAMINOSULPHONYLPHENYLSULPHONYL)-3-HETEROARYL-UREAS,THEIR PREPARATION AND THEIR USE AS HERBICIDES
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机译:1-(2-氧代亚氨基磺酰基苯磺酰基)-3-杂芳族脲类,其制备及用作除草剂
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摘要
The invention relates to new 1-(2-oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas of the general formula (I) IMAGE (I) in which R1 represents an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aralkyl and aryl, R2 represents hydrogen or an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl and aralkyl and R3 represents an optionally substituted and/or optionally fused six-membered aromatic heterocyclic radical containing at least one nitrogen atom, the following compounds being excluded: 1-(2-methoxyaminosulphonylphenylsulphonyl)-, 1-(2-ethoxyaminosulphonylphenylsulphonyl)-, 1-(2-propoxy-aminosulphonylphenylsulphonyl)-, 1-(2-isopropoxyaminosulphonylphenylsulphonyl)- and 1-(2-butoxyaminosulphonylphenylsulphonyl)-3-(4,6-dimethyl-pyrimidin-2- yl)-urea, -3-(4,6-diethyl-pyrimidin-2-yl)-urea, -3-(4,6-dipropylpyrimidin-2-yl)-urea, -3-(4,6-diisopropyl-pyrimidin-2-yl)-urea and -3-(4,6-dibutyl-pyrimidin-2-yl)-urea, processes for their preparation and their use as herbicides.
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