申请人:Ciba-Geigy Corporation
公开号:US04875923A1
公开(公告)日:1989-10-24
N-Pyridinylsulfonyl-N'-pyrimidinylureas and N-pyridinylsulfonyl-N'-triazinylureas of the formula ##STR1## wherein E is nitrogen or the methine bridge, Z is oxygen or sulfur, R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sup.5 and R.sup.6 are each independently hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.2 -C.sub.4 -alkylthio, C.sub.3 -C.sub.6 cycloalkyl or --NR.sup.12 R.sup.13, G is a ##STR2## R.sup.1 is hydrogen, halogen, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C.sub.1 -C.sub.4 alkyl carbonyl or --COOR.sup.14, R.sup.3 is a ##STR3## group, n is 0, 1 or 2, R.sup.8 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, C.sub.1 -C.sub.4 haloalkyl, nitro, --COOR.sup.14, C.sub.1 -C.sub.4 haloalkoxy, --O--CR.sup.15 R.sup.16 --CN, R.sup.9 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkoxyalkyl oder C.sub.2 -C.sub.4 alkoxylkoxy, R.sup.10 and R.sup.11 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl, R.sup.12 and R.sup.13 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl, R.sup.14 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.4 alkynyl, or is C.sub.1 -C.sub.4 alkyl which is substituted by C.sub.1 -C.sub.4 alkoxy, halogen or phenyl, and R.sup.15 and R.sup.16 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl, and the salts thereof have useful selective herbicidal properties for controlling weeds in crops of useful plants.
化合物的名称为N-吡啶基磺酰基-N'-嘧啶基脲和N-吡啶基磺酰基-N'-三嗪基脲,其化学式如下:##STR1## 其中E为氮或甲基桥,Z为氧或硫,R.sup.4为氢或C.sub.1-C.sub.4烷基,R.sup.5和R.sup.6各自独立地为氢、卤素、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4烷氧基、C.sub.1-C.sub.4卤代烷氧基、C.sub.2-C.sub.4烷基硫、C.sub.3-C.sub.6环烷基或--NR.sup.12R.sup.13,G为##STR2## R.sup.1为氢、卤素、硝基、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、三氟甲基、三氟甲氧基、二氟甲氧基、C.sub.1-C.sub.4烷基羰基或--COOR.sup.14,R.sup.3为##STR3##基团,n为0、1或2,R.sup.8为氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、卤素、C.sub.1-C.sub.4卤代烷基、硝基、--COOR.sup.14、C.sub.1-C.sub.4卤代烷氧基、--O--CR.sup.15R.sup.16--CN,R.sup.9为氢、卤素、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、C.sub.2-C.sub.4烷氧基烷基或C.sub.2-C.sub.4烷氧基氧基烷基,R.sup.10和R.sup.11各自独立地为氢或C.sub.1-C.sub.4烷基,R.sup.12和R.sup.13各自独立地为氢或C.sub.1-C.sub.4烷基,R.sup.14为氢、C.sub.1-C.sub.4烷基、C.sub.2-C.sub.4烯基、C.sub.3-C.sub.4炔基,或是被C.sub.1-C.sub.4烷氧基、卤素或苯基取代的C.sub.1-C.sub.4烷基,R.sup.15和R.sup.16各自独立地为氢或C.sub.1-C.sub.4烷基。这些化合物的盐具有有用的选择性除草剂特性,可用于控制有用植物的作物中的杂草。