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    • 3. 发明授权
    • Herbicidal sulfonylurea derivatives
    • 除草磺酰脲衍生物
    • US5298480A
    • 1994-03-29
    • US701166
    • 1991-05-17
    • Keith WatsonWayne Best
    • Keith WatsonWayne Best
    • A01N47/36C07D239/38C07D239/60C07D403/12C07D521/00A01N43/66
    • C07D521/00A01N47/36C07D239/38C07D239/60
    • The invention embraces compounds of formula ##STR1## and salts thereof, wherein: X and Y are independently selected from various optionally substituted alkoxy, alkenyloxy, alkynyoxy and phenoxy groups;W is oxygen or sulfur;R.sub.1 is hydrogen or alkyl;E is CH or N;R.sub.2 and R.sub.3 are independently selected from various halo, alkyl, alkoxy and amino substituents.The compounds of the invention show herbicidal properties particularly for the control of broad leaf plants in grass crops such as wheat. In further embodiments the invention provides processes for the preparation of compounds I, intermediates useful in the preparation of compounds of formula I, compositions containing as active ingredient a compound of formula I and herbicidal and plant growth regulating processes utilizing compounds of formula I.
    • 本发明包括式(*化学结构*)I及其盐的化合物,其中:X和Y独立地选自各种任选取代的烷氧基,烯氧基,炔氧基和苯氧基; W是氧或硫; R1是氢或烷基; E为CH或N; R2和R3独立地选自各种卤素,烷基,烷氧基和氨基取代基。 本发明的化合物显示特别用于控制诸如小麦的草作物中的阔叶植物的除草性质。 在进一步的实施方案中,本发明提供了制备化合物I的方法,可用于制备式I化合物的中间体,含有式I化合物的活性成分的组合物和利用式I化合物的除草和植物生长调节方法。