N-benzoyl-n'-(2,3-dichloro-4-phenoxy)-phenylureas
    23.
    发明授权
    N-benzoyl-n'-(2,3-dichloro-4-phenoxy)-phenylureas 失效
    N-苯甲酰基-N' - (2,3-二氯-4-苯氧基) - 苯基脲

    公开(公告)号:US4880837A

    公开(公告)日:1989-11-14

    申请号:US246268

    申请日:1988-09-19

    IPC分类号: A01N47/34 C07C275/54

    CPC分类号: A01N47/34 C07C275/54

    摘要: N-Benzoyl-N'-(2,3-dichloro-4-phenoxy)-phenylureas of the general formula I ##STR1## where R.sup.1 is halogen, R.sup.2 is hydrogen or halogen, R.sup.3 is halogen or C.sub.1 -C.sub.4 -haloalkoxy, and R.sup.4 is hydrogen or halogen, pesticides containing compounds I as active ingredients, and methods of combating pests.

    摘要翻译: 具有通式I的N-苯甲酰基-N' - (2,3-二氯-4-苯氧基) - 苯基脲其中R 1是卤素,R 2是氢或卤素,R 3是卤素或C 1 -C 4 - 卤代烷氧基,R4是氢或卤素,含有化合物I的农药作为活性成分,以及防治害虫的方法。

    3,4-dihydro-2H-pyrans useful as pesticides
    24.
    发明授权
    3,4-dihydro-2H-pyrans useful as pesticides 失效
    3,4-二氢-2H-吡喃可用作农药

    公开(公告)号:US4876275A

    公开(公告)日:1989-10-24

    申请号:US176700

    申请日:1988-04-01

    摘要: 3,4-dihydro-2H-pyrans of the formula I ##STR1## where R.sup.1 is C.sub.4 -C.sub.20 -alkyl, C.sub.4 -C.sub.20 -alkoxyalkyl, aryl or C.sub.7 -C.sub.20 -arylalkyl, or is aryl or C.sub.7 -C.sub.20 -arylalkyl which bears from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -haloalkoxy, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.3 is aryl, or aryl bearing from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -haloalkoxy, or the radical ##STR2## where R.sup.4, R.sup.5 and R.sup.6 are hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.7 is phenyl or benzoyl, or phenyl or benzoyl bearing from one to three substituents selected from the group consisting of halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -haloalkyl, C.sub.1 -C.sub.8 -alkoxy and C.sub.1 -C.sub.8 -haloalkoxy, or a five- or six-membered heterocycle containing one or two oxygen atoms and which is either unsubstituted or substituted by one to three C.sub.1 -C.sub.8 -alkyl groups or one C.sub.3 -C.sub.6 -spirocycloalkyl, and l, m and n are 0 or 1, and their use for combating pests.

    摘要翻译: 其中R 1是C 4 -C 20烷基,C 4 -C 20烷氧基烷基,芳基或C 7 -C 20芳基烷基,或者是芳基或C 7 -C 20 - 芳基烷基, 1至3个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - 卤代烷基,C 1 -C 8 - 烷氧基或C 1 -C 8 - 卤代烷氧基的取代基的芳基烷基,R 2为氢或C 1 -C 4烷基, R3是芳基或带有1至3个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - 卤代烷基,C 1 -C 8 - 烷氧基或C 1 -C 8 - 卤代烷氧基的取代基的芳基或基团< 其中R 4,R 5和R 6是氢或C 1 -C 4 - 烷基,R 7是苯基或苯甲酰基,或苯基或苯甲酰基,其带有一至三个选自卤素,C 1 -C 8 - 烷基,C 1 -C 8 - ,C 1 -C 8 - 烷氧基和C 1 -C 8 - 卤代烷氧基,或含有一个或两个氧原子的五元或六元杂环,其未被取代或被一至三个C 1 -C 8烷基或一个C 3 -C 6 - 螺环烷基,l,m和n为0或1, 用于防治害虫。