申请人:Ciba-Geigy Corporation
公开号:US05336773A1
公开(公告)日:1994-08-09
N-Pyridinesulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl; C.sub.2 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl, each of which is monosubstituted or polysubstituted by halogen; C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl, each of which is substituted by --NR.sub.5 R.sub.6, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkyl--S(O).sub.n --; C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.6 cycloalkyl, each of which is substituted by C.sub.2 -C.sub.4 alkenyl, C.sub.5 -C.sub.6 cycloalkenyl, C.sub.2 -C.sub.6 alkynyl or C.sub.4 -C.sub.8 alkadienyl; it being possible for the C.sub.2 -C.sub.4 alkenyl, C.sub.5 -C.sub.6 cycloalkenyl and C.sub.4 -C.sub.8 alkadienyl radicals to be monosubstituted or polysubstituted by halogen; or R.sub.1 and R.sub.2 together are a 4-5-membered C.sub.4 -C.sub.10 alkylene chain which can be interrupted by oxygen, sulfur or N--R.sub. 7 ; R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio; C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio, each of which is monosubstituted or polysubstituted by halogen; R.sub.4, R.sub.5, R.sub.6 and R.sub.7 independently of one another are hydrogen or C.sub.1 -C.sub.4 alkyl; n is 0, 1 or 2; X is C.sub.1 -C.sub.3 alkyl, or C.sub.1 -C.sub.3 alkyl which is monosubstituted to trisubstituted by halogen; C.sub.1 -C.sub.3 alkoxy, or C.sub.1 -C.sub.3 alkoxy which is monosubstituted to trisubstituted by halogen; Y is halogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkyl which is monosubstituted to trisubstituted by halogen; C.sub.1 -C.sub.3 alkoxy, or C.sub.1 -C.sub.3 alkoxy which is monosubstituted to trisubstituted by halogen; cyclopropyl, methylamino or dimethylamino; and E is nitrogen or the methine group, and the salts of these compounds with amines, alkali metal bases or alkaline earth metal bases or with quaternary ammonium bases have good selective herbicidal and growth-regulating properties when used pre- and post-emergence.
化合物I的N-吡啶磺酰-N'-嘧啶基-和-三嗪基脲的公式为:##STR1## 其中,R1和R2各自独立地为氢,C1-C8烷基或C3-C8环烷基;C2-C8烷基或C3-C8环烷基,每个基团均为单取代或多取代的卤素;C1-C8烷基或C3-C8环烷基,每个基团均被--NR5R6,C1-C4烷氧基或C1-C4烷基--S(O)n--取代;C1-C4烷基或C3-C6环烷基,每个基团均被C2-C4烯基,C5-C6环烯基,C2-C6炔基或C4-C8烷二烯基取代;其中C2-C4烯基,C5-C6环烯基和C4-C8烷二烯基基团可以被单取代或多取代的卤素所取代;或者R1和R2在一起是一个4-5成员的C4-C10烷基链,它可以被氧,硫或N - R7所中断;R3为氢,卤素,C1-C4烷基,C1-C4烷氧基或C1-C4烷基硫醚;C1-C4烷基,C1-C4烷氧基或C1-C4烷基硫醚,每个基团均为单取代或多取代的卤素;R4,R5,R6和R7各自独立地为氢或C1-C4烷基;n为0,1或2;X为C1-C3烷基,或单取代到三取代的卤素;C1-C3烷氧基,或单取代到三取代的卤素;Y为卤素,C1-C3烷基或单取代到三取代的卤素的C1-C3烷基氧基,或单取代到三取代的卤素;环丙基,甲基氨基或二甲基氨基;E为氮或甲基基团,并且这些化合物与胺,碱金属基或碱土金属基或季铵基的盐在前和后出现时具有良好的选择性除草和生长调节性能。