申请人:Bayer Aktiengesellschaft
公开号:US04666505A1
公开(公告)日:1987-05-19
The invention relates to new 1-(2-oxyaminosulphonylphenylsulphonyl)-3-heteroaryl-ureas of the general formula (I) ##STR1## in which R.sup.1 represents an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkylalkyl, aralkyl and aryl, R.sup.2 represents hydrogen or an optionally substituted radical from the series comprising alkyl, alkenyl, alkinyl and aralkyl and R.sup.3 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.
本发明涉及一类新的1-(2-氧氨基磺酰基苯磺酰基)-3-杂芳基脲,其具有通式(I)的结构,其中R1代表一个可选地取代的基团,该基团选自包括烷基、烯基、炔基、环烷基、环烷基烷基、芳烷基和芳基的系列;R2代表氢或一个可选地取代的基团,该基团选自包括烷基、烯基、炔基和芳烷基的系列;R3代表一个可选地取代和/或可选地融合的六元芳香杂环基团,含有至少一个氮原子,排除以下化合物:1-(2-甲氧氨基磺酰基苯磺酰基)-,1-(2-乙氧氨基磺酰基苯磺酰基)-,1-(2-丙氧氨基磺酰基苯磺酰基)-,1-(2-异丙氧氨基磺酰基苯磺酰基)-和1-(2-丁氧氨基磺酰基苯磺酰基)-3-(4,6-二甲基嘧啶-2-基)-脲,-3-(4,6-二乙基嘧啶-2-基)-脲,-3-(4,6-二丙基嘧啶-2-基)-脲,-3-(4,6-二异丙基嘧啶-2-基)-脲和-3-(4,6-二丁基嘧啶-2-基)-脲,以及这些化合物的制备方法和作为除草剂的使用方法。