α-Cyanoacrylates
    9.
    发明授权
    α-Cyanoacrylates 失效
    α-氰基丙烯酸酯

    公开(公告)号:US07851411B2

    公开(公告)日:2010-12-14

    申请号:US10499522

    申请日:2002-12-17

    摘要: α-Cyanoacrylates of the formula I, where: R1 is ORa wherein Ra is hydrogen, substituted alkyl, branched alkyl, branched alkenyl, cycloloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; is NRbRc wherein Rb is hydrogen, alkyl which may be substituted, alkenyl, alkynyl; Rc is hydrogen, alkyl which may be substituted alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; or Rb and Rc form an alkandiyl-chain which may be substituted; or is SRd wherein Rd is hydrogen, alkyl which may be substituted, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; R2 is alkyl which may be substituted; is alkenyl or alkynyl; R3 is alkyl may be substituted; is alkenyl or alkynyl; R4 is hydrogen, halogen, cyano or alkyl; and their agriculturally useful salts, processes and intermediates for their preparation; and the use of these compounds or of compositions comprising these compounds for controlling undesirable plants are described.

    摘要翻译: 式I的α-氰基丙烯酸酯,其中:R 1是OR a,其中R a是氢,取代的烷基,支链烷基,支链烯基,环烷基,杂环基,芳基,苯基烷基或烷基亚氨基; 是NRbRc,其中Rb是氢,可以被取代的烷基,烯基,炔基; Rc是氢,可以被取代的烯基,炔基,环烷基,杂环基,芳基,苯基烷基或烷基亚氨基的烷基; 或R b和R c形成可被取代的烷撑二链; 或者是其中Rd为氢的SRd,可以被取代的烷基,烯基,炔基,环烷基,杂环基,芳基,苯基烷基或烷基亚氨基; R2是可被取代的烷基; 是烯基或炔基; R3是烷基可以被取代; 是烯基或炔基; R4是氢,卤素,氰基或烷基; 及其农业上有用的盐,其制备方法和中间体; 并且描述了这些化合物或包含这些化合物的组合物用于防治不期望的植物的用途。