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    • 4. 发明申请
    • Herbicidally Active (alkynyl-phenyl)-Substituted Cyclic Dione Compounds and Derivatives Thereof
    • 除草活性(炔基 - 苯基) - 取代的环状二酮化合物及其衍生物
    • US20160143277A1
    • 2016-05-26
    • US14894842
    • 2014-05-29
    • SYNGENTA LIMITED
    • Janice BlackJames Nicholas ScuttLouisa WhalleyNigel James Willets
    • A01N35/06C07C69/24A01N37/02A01N37/10A01N47/06C07C381/14C07C69/78C07C49/577C07C69/96
    • The present invention relates to a compound of formula (I): wherein: X is methyl or chlorine; R1 is fluorine or bromine; R2 is ethynyl, C1-C3alkoxy, C1-C3haloalkoxy, or C1-C3alkoxy-C1-C3alkoxy-; and Q is a pyran-3,5-dione-4-yl, a thiopyran-3,5-dione-4-yl, a piperidine-3,5-dione-4-yl, a cyclohexane-1,3,5-trione-2-yl, a cyclohexane-1,3-dione-2-yl, a cycloheptane-1,3-dione-2-yl, in which each cyclic dione is bridged by alkanediyl, or a derivative thereof (e.g. an enol ketone tautomer derivative thereof), wherein Q is further defined herein; and wherein the compound of formula (I) is optionally present as an agrochemically acceptable salt thereof. Preferably, X is methyl; and/or R1 is fluorine; and/or R2 is —O—R2A, wherein R2A is methyl, ethyl, trifluoromethyl, difluoromethyl, trifluoroethyl, or —CH2CH2OCH3. These compounds are suitable for use as herbicides. The invention therefore also relates to a method of controlling weeds, especially grassy monocotyledonous weeds, in crops of useful plants, comprising applying a compound of formula (I), or a herbicidal composition comprising such a compound, to the weeds and/or to the plants and/or to the locus thereof.
    • 本发明涉及式(I)的化合物:其中:X为甲基或氯; R1是氟或溴; R2是乙炔基,C1-C3烷氧基,C1-C3卤代烷氧基或C1-C3烷氧基-C1-C3烷氧基; 并且Q是吡喃-3,5-二酮-4-基,噻喃-3,5-二酮-4-基,哌啶-3,5-二酮-4-基,环己烷-1,3,5 - 三酮-2-基,环己烷-1,3-二酮-2-基,环庚烷-1,3-二酮-2-基,其中每个环二酮由烷二基桥接,或其衍生物(例如 烯醇酮互变异构体衍生物),其中Q在本文中进一步定义; 并且其中式(I)化合物任选作为农业化学上可接受的盐存在。 优选地,X是甲基; 和/或R 1是氟; 和/或R2是-O-R2A,其中R2A是甲基,乙基,三氟甲基,二氟甲基,三氟乙基或-CH2CH2OCH3。 这些化合物适合用作除草剂。 因此,本发明还涉及在有用植物的作物中控制杂草,特别是禾本科植物单子叶杂草的方法,包括将式(I)化合物或包含这种化合物的除草组合物施用于杂草和/或 植物和/或其基因座。