Optically active herbicidal (r)-phenoxypropionic acid-n-methyl-n-2-fluorophenyl amides
    1.
    发明申请
    Optically active herbicidal (r)-phenoxypropionic acid-n-methyl-n-2-fluorophenyl amides 审中-公开
    光学活性除草(r) - 苯氧基丙酸 - 正 - 甲基 - 正-2-氟苯基酰胺

    公开(公告)号:US20050043180A1

    公开(公告)日:2005-02-24

    申请号:US10494084

    申请日:2001-11-01

    CPC分类号: C07D263/58 A01N43/76

    摘要: The present invention relates to optically active herbicidal (R)-phenoxypropionic acid N-methyl-N-2-fluorophenyl amide compounds represented in the following formula (1), a method for preparing thereof, their use to prevent generation of barnyard grass produced from rice and composition as suitable herbicides, (I) wherein X is hydrogen, halogen, hydroxy, NH2, CO2H, C1-C6 alkylamino substituted with 1 or 2 of C1-C3 alkyl, C1-C6 alkyl, C1-C6 alkoxy, C1-C3 haloalkyl, C1-C3 haloalkoxy, C2-C4 alkoxyalkoxy, C1-C4 alkylthonyl, C1-C4 alkylsulfonyl, C2-C6 alkenyl, C2-C6 alkinyl, C2-C6 alkenyloxy, C2-C6 alkinyloxy, C1-C3 alkoxycarbonyl, or C1-C3 alkylcarbonyl; is hydrogen or fluoro; and n is an integer of 0 to 2, wherein X can be a combination of other substituents when n is 2.

    摘要翻译: 本发明涉及下式(1)表示的光学活性除草(R) - 苯氧基丙酸N-甲基-N-2-氟苯基酰胺化合物及其制备方法,其用于防止由 水稻和组合物作为合适的除草剂,(I)其中X是氢,卤素,羟基,NH 2,CO 2 H,被1或2个C 1 -C 3烷基,C 1 -C 6烷基,C 1 -C 6烷氧基,C 1 -C 6烷氧基取代的C 1 -C 6烷基氨基, C 3卤代烷基,C 1 -C 3卤代烷氧基,C 2 -C 4烷氧基烷氧基,C 1 -C 4烷基磺酰基,C 1 -C 4烷基磺酰基,C 2 -C 6烯基,C 2 -C 6炔基,C 2 -C 6烯氧基,C 2 -C 6烷氧基,C 1 -C 3烷氧基羰基或C 1 -C 3烷基羰基; 是氢或氟; n为0〜2的整数,n为2时,X为其它取代基的组合。