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Title:
除草活性(アルキニル−フェニル)置換環状ジオン化合物およびその誘導体
Document Type and Number:
Japanese Patent JP6433993
Kind Code:
B2
Abstract:
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 cyclopentane-1,3-dione-2-yl, a cyclohexane-1,3, 5-trione-2-yl, a cyclohexane-1,3-dione-2-yl, or a cycloheptane-1,3-dione-2-yl, or a derivative thereof (e.g. a fused such as fused bicyclic derivative, and/or a spirocyclic derivative), or 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.

Inventors:
Janice black
James Nicholas Scot
Louisa Wally
Nigel James Willets
Application Number:
JP2016516176A
Publication Date:
December 05, 2018
Filing Date:
May 29, 2014
Export Citation:
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Assignee:
Syngenta Limited
International Classes:
C07C49/517; A01N35/06; A01N37/02; A01N37/10; A01N47/06; A01P13/00; C07C69/63; C07C69/76; C07C69/96; C07C329/06
Domestic Patent References:
JP2009519276A
JP2011526597A
JP2014528960A
JP6093367B2
Foreign References:
WO2004058723A1
WO2001017352A1
WO2011151199A1
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Kobayashi Machiko
Atsushi Aoki
Takashi Ishida
Fukumoto product
Tetsuji Koga
Yoichi Watanabe
Ryotaro Takei
Takahide Sasaki