Halogenated esters useful as intermediates for insecticides
    33.
    发明授权
    Halogenated esters useful as intermediates for insecticides 失效
    卤代酯可用作杀虫剂的中间体

    公开(公告)号:US5756835A

    公开(公告)日:1998-05-26

    申请号:US934835

    申请日:1997-09-22

    摘要: The invention provides novel compounds of formula: CF.sub.3 --CXCl--CH(OH)CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --CO.sub.2 R(I) where X represents chloro or bromo and R represents hydrogen or alkyl of up to 4 carbon atoms, processes for preparing them and their use as intermediates in the preparation of insecticidal cyclopropane derivatives. Also provided are novel compounds of formula: BrCH.sub.2 --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --CO.sub.2 R(IV) wherein R represents alkyl of up to 4 carbon atoms, useful as intermediates in the preparation of the compounds of formula I.

    摘要翻译: 本发明提供新的式:CF 3 -CClCl-CH(OH)CH 2 -C(CH 3)2 -CH 2 -CO 2 R(I)的新化合物,其中X代表氯或溴,R代表氢或至多4个碳原子的烷基, 用于制备它们并用作制备杀虫环丙烷衍生物的中间体。 还提供了新的式:BrCH 2 -CH 2 -C(CH 3)2 -CH 2 -CO 2 R(IV)的化合物,其中R代表至多4个碳原子的烷基,可用作制备式I化合物的中间体。