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    • 36. 发明授权
    • N-phenyl-N-pyrimidin-2-ylureas
    • N-苯基-N-嘧啶-2-基脲
    • US4966622A
    • 1990-10-30
    • US332193
    • 1989-04-03
    • Hermann RempflerDieter DurrRudolf C. Thummel
    • Hermann RempflerDieter DurrRudolf C. Thummel
    • A01N47/36A01N57/24C07D239/42C07D239/46C07D239/47C07D405/04C07D409/04C07F9/6512
    • C07D239/42A01N47/36A01N57/24C07D239/47C07D405/04C07D409/04C07F9/65127
    • The present invention relates to novel N-phenyl-N-pyrimidin-2-ylureas having a herbicidal and plant growth-regulating activity, to agrochemical compositions containing those substances as active ingredients, to the use of the novel ureas for controlling weeds or for regulating plant growth, and to processes for the preparation of the novel compounds. The invention also relates to novel intermediates and to processes for the preparation thereof.The novel compounds correspond to formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are each, independently of the others, hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.1 -C.sub.4 alkyl-S(O).sub.n -; nitro; cyano; C.sub.1 -C.sub.4 alkoxycarbonyl; C.sub.1 -C.sub.4 alkylcarbonyl; di-(C.sub.1 -C.sub.4 alkylamino)-carbonyl; mono-(C.sub.1 -C.sub.4 alkylamino)carbonyl; carbamoyl; C.sub.1 -C.sub.4 haloalkyl-S(O).sub.n -; or -PO[O-(C.sub.1 -C.sub.4)-alkyl].sub.2 ;R.sup.4 is C.sub.1 -C.sub.6 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 alkyl-S(O).sub.n -; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; phenyl that is unsubstituted or is substituted by up to three identical or different substituents from halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl and C.sub.1 -C.sub.4 alkoxy; 2-furanyl; 2-thienyl; 3-thienyl; C.sub.3 -C.sub.6 -cycloalkyl that is unsubstituted or is substituted by up to three identical or different C.sub.1 -C.sub.4 alkyl radicals; cyano; C.sub.2 -C.sub.4 haloalkenyl; C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkoxy; or halogen-C.sub.1 -C.sub.4 alkylthio;R.sup.5 is hydrogen; C.sub.1 -C.sub.3 alkyl; C.sub.1 -C.sub.3 haloalkyl; halogen; or C.sub.1 -C.sub.3 haloalkoxy; andn is 0, 1 or 2,with the proviso that when one of the radicals R.sup.1, R.sup.2 and R.sup.3 is nitro, that substituent may not be bonded in the 2- or 6-position of the phenyl ring.
    • 本发明涉及具有除草和植物生长调节活性的新型N-苯基-N-嘧啶-2-基脲,含有这些物质作为活性成分的农用化学组合物,用于控制杂草或用于调节 植物生长,以及制备新化合物的方法。 本发明还涉及新型中间体及其制备方法。 该化合物对应于式Ⅰ(I)其中R1,R2和R3各自独立地为氢; 卤素; C 1 -C 4烷基; C1-C4烷氧基; C 1 -C 4卤代烷基; C1-C4卤代烷氧基; C 1 -C 4烷基-S(O)n - ; 硝基 氰基; C1-C4烷氧基羰基; C1-C4烷基羰基; 二(C 1 -C 4烷基氨基) - 羰基; 单(C 1 -C 4烷基氨基)羰基; 氨基甲酰基; C 1 -C 4卤代烷基-S(O)n - 或-PO [O-(C 1 -C 4) - 烷基] 2; R4是C1-C6烷基; C1-C4烷氧基; C 1 -C 4烷基-S(O)n - ; C 1 -C 4卤代烷基; C1-C4卤代烷氧基; 未被取代或被卤素,C1-C4烷基,C1-C4卤代烷基和C1-C4烷氧基中最多三个相同或不同的取代基取代的苯基; 2-呋喃基; 2-噻吩基; 3-噻吩基; 未被取代或被至多三个相同或不同的C 1 -C 4烷基取代的C 3 -C 6环烷基; 氰基; C 2 -C 4卤代烯基; C 1 -C 4烷氧基-C 1 -C 4烷基; C1-C4烷氧基-C1-C4烷氧基; 或卤素-C 1 -C 4烷硫基; R5是氢; C1-C3烷基; C 1 -C 3卤代烷基; 卤素; 或C 1 -C 3卤代烷氧基; 并且n为0,1或2,条件是当基团R 1,R 2和R 3中的一个为硝基时,该取代基不能键合在苯环的2-或6-位。