Process for preparing halogenated cyclopropane derivatives
    2.
    发明授权
    Process for preparing halogenated cyclopropane derivatives 失效
    制备卤代环丙烷衍生物的方法

    公开(公告)号:US06596898B2

    公开(公告)日:2003-07-22

    申请号:US09029054

    申请日:1998-02-27

    IPC分类号: C07C6974

    摘要: A process for preparing compounds represented by the following general formula (I) wherein X represents chlorine atom, bromine atom, or iodine atom, and R includes alkoxy group and amino group which comprises the step of allowing a compound represented by the formula: CH2═CXF react with a compound represented by the formula: N2CHCOR in the presence of a catalyst containing a metal atom such as a transition metal of group 8 together with chiral carboxylic-type or amide-type ligands to preferentially obtain a stereoisomer of the compound of the general formula (I) wherein the stereochemical configuration at the 1-position is S-configuration

    摘要翻译: 一种制备由以下通式(I)表示的化合物的方法,其中X表示氯原子,溴原子或碘原子,R包括烷氧基和氨基,该方法包括使下式表示的化合物:CH2 = 在含有金属原子如8族的过渡金属的催化剂以及手性羧酸型或酰胺型配体的存在下,CXF与式N2CHCOR表示的化合物反应,以优先获得化合物的立体异构体 通式(I)其中1位的立体化学构型是S-构型

    Method for producing halogenated unsaturated carbonyl compound
    8.
    发明申请
    Method for producing halogenated unsaturated carbonyl compound 审中-公开
    制备卤化不饱和羰基化合物的方法

    公开(公告)号:US20070197836A1

    公开(公告)日:2007-08-23

    申请号:US10593200

    申请日:2005-03-25

    IPC分类号: C07C47/14

    摘要: The present invention provides a method for industrially advantageously producing a halogenated unsaturated carbonyl compound without environment problems. A production method of a halogenated unsaturated carbonyl compound represented by the formula (III) is provided, which includes reacting an alkoxy-cyclic ether represented by the formula (I) with an acid halide represented by the formula (II) wherein each symbol is as defined in the specification.

    摘要翻译: 本发明提供了一种在没有环境问题的情况下工业上有利地制备卤代不饱和羰基化合物的方法。 提供由式(III)表示的卤代不饱和羰基化合物的制备方法,其包括使由式(I)表示的烷氧基 - 环醚与式(II)表示的酰卤反应,其中每个符号为 在规范中定义。