Process for the preparation of heterocyclic phenyl ethers
    11.
    发明授权
    Process for the preparation of heterocyclic phenyl ethers 失效
    制备杂环苯基醚的方法

    公开(公告)号:US4564682A

    公开(公告)日:1986-01-14

    申请号:US583713

    申请日:1984-02-27

    CPC classification number: C07D263/58 C07D235/26 C07D277/68

    Abstract: A compound of the formula ##STR1## is reacted with a phenol of the formula ##STR2## in the presence of an acid to produce a heterocyclic phenyl ether of the formula ##STR3## wherein each R is independently selected from halogen, trifluoromethyl, nitro, cyano, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms or alkylthio having 1 to 4 carbon atoms;A is oxygen, sulfur or N-alkyl having 1 to 4 carbon atoms; andn is a number from 0 to 3.

    Abstract translation: 在酸存在下,将式“IMAGE”或“IMAGE”的化合物与式IMA的化合物反应,得到式IMA的杂环苯基醚,其中每个R独立地选自卤素, 三氟甲基,硝基,氰基,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基或具有1至4个碳原子的烷硫基; A是氧,硫或具有1至4个碳原子的N-烷基; n为0〜3的数。

    Use of aryloxy compounds as antidotes
    18.
    发明授权
    Use of aryloxy compounds as antidotes 失效
    使用芳氧基化合物作为解毒剂

    公开(公告)号:US4668276A

    公开(公告)日:1987-05-26

    申请号:US698553

    申请日:1985-02-06

    CPC classification number: A01N25/32

    Abstract: Compounds of the formulaAr--O--A--Zin which Ar denotes an optionally substituted phenyl-A--CH.sub.2 -- or phenyl-A--CH(CH.sub.3)-- or naphthyl-A--CH.sub.2 -- or naphthal-A--CH(CH.sub.3)-- group and Z denotes, inter alia, a carboxyl, (thio)carboxylic ester or carboxamide group, a cyclic imino(thio)ether group or an open or cyclic acetal group, are effective antidotes, in particular for herbicides belonging to the group comprising phenoxyphenoxypropionic acid esters and hetero-aryloxyphenoxypropionic acid esters.

    Abstract translation: 式Ar-OAZ的化合物,其中Ar表示任选取代的苯基-A-CH 2 - 或苯基-A-CH(CH 3) - 或萘基-A-CH 2 - 或萘-A-CH(CH 3) - 基和Z 特别是羧基,(硫代)羧酸酯或羧酰胺基,环状亚氨基(硫代)醚基或开环或环状缩醛基,是有效的解毒剂,特别是对于属于苯氧基苯氧基丙酸酯和 异芳氧基苯氧基丙酸酯。

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