Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds
    4.
    发明授权
    Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds 有权
    除草苯氧基丙酸N-烷基-N-2-氟苯基酰胺化合物

    公开(公告)号:US06486098B1

    公开(公告)日:2002-11-26

    申请号:US09744450

    申请日:2001-02-20

    Abstract: The present invention relates to novel herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amides represented in formula (1), a method for preparing thereof, their use to control barnyard grass produced from rice and composition as suitable herbicides. In said formula, R is methyl or ethyl group; X is hydrogen, halogen, cyano, C1˜C6 alkyl, C1˜C6 alkoxy, C1˜C3 haloalkyl substituted with 1 to 3 of halogen atom(s), C1˜C3 haloalkoxy substituted with 1 to 3 of halogen atom(s), C2˜C4 alkoxyalkoxy, phenoxy, benzyloxy, C2˜C6 alkenyl, C2˜C6 alkinyl, C2˜C6 alkkenyloxy, C2˜C6 alkinyloxy, or phenyl group; Y is hydrogen or fluoro; n is an integer of 1 or 2 and when n is 2, X can be in a combination of other substituents.

    Abstract translation: 本发明涉及式(1)所示的新型除草苯氧基丙酸N-烷基-N-2-氟苯基酰胺,其制备方法,其用于控制​​由水稻制成的稗草和作为合适除草剂的组合物的用途。 在所述式中,R是甲基或乙基; X为氢,卤素,氰基,C1〜C6烷基,C1〜C6烷氧基,被1〜3个卤素原子取代的C1〜C3卤代烷基,被1〜3个卤原子取代的C1〜C3卤代烷氧基, C2〜C4烷氧基烷氧基,苯氧基,苄氧基,C2〜C6烯基,C2〜C6炔基,C2〜C6烷氧基,C2〜C6烷氧基或苯基; Y是氢或氟; n是1或2的整数,当n是2时,X可以是其它取代基的组合。

    Preparing method of 2-phenylalkanoic acid derivatives
    8.
    发明授权
    Preparing method of 2-phenylalkanoic acid derivatives 失效
    2-苯基链烷酸衍生物的制备方法

    公开(公告)号:US06706917B1

    公开(公告)日:2004-03-16

    申请号:US10169505

    申请日:2002-07-03

    CPC classification number: C07C51/09 C07C59/84

    Abstract: The present invention relates to a preparing method of 2-phenylalkanoic acid derivatives and more particluarly, to the preparing method of 2-phenylalkanoic acid derivatives expressed by formula (1) from 5,6-dihydro-2(4H)-benzofuranone as a starting material in the presence of a catalyst, organic acid alkali metal salt, in a mild condition, wherein R1 prepresents benzoyl, naphthoyl, nicotinoyl, furoyl or thenoyl group; and R2 prepresents a hydrogen atom or C1-C6 alkyl group.

    Abstract translation: 本发明涉及2-苯基链烷酸衍生物的制备方法,更具体地说,涉及由式(1)表示的2-苯基链烷酸衍生物从5,6-二氢-2(4H) - 苯并呋喃酮开始制备方法 在温和条件下存在催化剂有机酸碱金属盐的物质,其中R 1表示苯甲酰基,萘甲酰基,烟酰基,糠基或后酰基; R2表示氢原子或C1-C6烷基。

    Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds
    9.
    发明授权
    Herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds 有权
    除草苯氧基丙酸N-烷基-N-2-氟苯基酰胺化合物

    公开(公告)号:US06600048B2

    公开(公告)日:2003-07-29

    申请号:US10206984

    申请日:2002-07-30

    Abstract: The present invention relates to novel herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amide compounds represented in the following formula (1), a method for preparing thereof, their use to control barnyard grass produced from rice and composition as suitable herbicides. wherein, R is methyl or ethyl group; X is hydrogen, halogen, cyano, C1˜C6 alkyl, C1˜C6 alkoxy, C1˜C3 haloalkyl substituted with 1 to 3 of halogen atom(s), C1˜C3 haloalkoxy substituted with 1 to 3 of halogen atom(s), C2˜C4 alkoxyalkoxy, phenox,benzyloxy, C2˜C6 alkenyl, C2˜C6 alkinyl, C2˜C6 alkenyloxy, C2˜C6 alkinyloxy, or phenyl group; Y is hydrogen or fluoro; n is an integer of 1 or 2 and when n is 2, X can be in a combination of other substituents.

    Abstract translation: 本发明涉及下式(1)表示的新型除草苯氧基丙酸N-烷基-N-2-氟苯基酰胺化合物,其制备方法,其用于控制​​由水稻制成的稗草和作为合适的除草剂的组合物的用途。 其中R为甲基或乙基; X为氢,卤素,氰基,C1〜C6烷基,C1〜C6烷氧基,被1〜3个卤素原子取代的C1〜C3卤代烷基,C1〜C3卤代烷氧基取代为1 至3个卤素原子,C 2〜C 4烷氧基烷氧基,苯氧基,苄氧基,C 2〜C 6烯基,C 2〜C 6炔基,C 2〜C 6烯氧基,C 2〜C 6烷氧基或苯基; Y为氢或氟; n为 1或2的整数,当n为2时,X可以是其它取代基的组合。

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