Herbicidal substituted pyridine compounds
    1.
    发明授权
    Herbicidal substituted pyridine compounds 失效
    除草取代的吡啶化合物

    公开(公告)号:US5981437A

    公开(公告)日:1999-11-09

    申请号:US889863

    申请日:1997-07-08

    摘要: The novel compounds of formula I: ##STR1## wherein A represents an optionally substituted 5- or 6-membered heteroaromatic group or an optionally substituted aryl group or a difluorobenzodioxolyl group;B represents an optionally substituted cyclic hydrocarbon or thienyl, an alkyl, alkenyl or alkynyl group or independently has one of the meanings of A;n represents an integer from 0 to 2;R represents a hydrogen atom, a halogen atom, an optionally substituted alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, dialkoxyalkyl, alkoxyalkoxy, alkylthio, amino, alkylamino, dialkylamino or alkoxyamino group or a formamidino or cyano group;X.sub.1 and X.sub.2 independently represent an oxygen or sulphur atom, and the herbicidal use of these compounds.

    摘要翻译: 式I的新化合物:其中A表示任选取代的5或6元杂芳基或任选取代的芳基或二氟苯并二恶唑基; B表示任选取代的环状烃或噻吩基,烷基,烯基或炔基或独立地具有A的含义之一; n表示0〜2的整数, R代表氢原子,卤素原子,任选取代的烷基,烯基,炔基,烷氧基,烷氧基烷基,二烷氧基烷基,烷氧基烷氧基,烷硫基,氨基,烷基氨基,二烷基氨基或烷氧基氨基或甲酰氨基或氰基; X1和X2独立地表示氧或硫原子,并且这些化合物的除草用途。