申请人:BASF SE
公开号:US07851411B2
公开(公告)日:2010-12-14
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.
本文描述了式I的α-氰基丙烯酸酯,其中:R1是ORa,其中Ra是氢,取代基烷基,支链烷基,支链烯基,环烷基,杂环基,芳基,苯基烷基或烷基亚胺基;或是NRbRc,其中Rb是氢,烷基(可能被取代),烯基,炔基;Rc是氢,烷基(可能被取代),烯基,炔基,环烷基,杂环基,芳基,苯基烷基或烷基亚胺基;或Rb和Rc形成可能被取代的烷基链;或是SRd,其中Rd是氢,烷基(可能被取代),烯基,炔基,环烷基,杂环基,芳基,苯基烷基或烷基亚胺基;R2是烷基(可能被取代),烯基或炔基;R3是烷基(可能被取代),烯基或炔基;R4是氢,卤素,氰基或烷基;还描述了它们的农业有用盐,制备它们的过程和中间体;以及使用这些化合物或包含这些化合物的组合物来控制不良植物。