Preparation of 5-aroylpyrrole-2-acetic acid derivatives
    5.
    发明授权
    Preparation of 5-aroylpyrrole-2-acetic acid derivatives 失效
    5-芳酰基吡咯-2-乙酸衍生物的制备

    公开(公告)号:US4119639A

    公开(公告)日:1978-10-10

    申请号:US809956

    申请日:1977-06-27

    摘要: The interaction of a 2-aryldithiolanium cation with an appropriate pyrrole-2-acetic acid derivative to give a 5-[2-aryl-2-(1,3-dithiolanyl)]pyrrole-2-acetic acid derivative which is then converted to the corresponding 5-aroylpyrrole-2-acetic acid derivative.

    摘要翻译: 2-芳基二硫醇铵阳离子与适当的吡咯-2-乙酸衍生物的相互作用得到5- [2-芳基-2-(1,3-二硫戊环)基]吡咯-2-乙酸衍生物,然后将其转化为 相应的5-芳酰基吡咯-2-乙酸衍生物。

    5-Chlorocarbonyl
    7.
    发明授权
    5-Chlorocarbonyl 失效
    5-氯代羰基

    公开(公告)号:US3950355A

    公开(公告)日:1976-04-13

    申请号:US491076

    申请日:1974-04-18

    IPC分类号: C07D207/24

    摘要: A process of preparing certain 5-aroyl-pyrrole-2-alkanoic acid derivatives using phosgene and certain 5-unsubstituted pyrroles as starting materials, and certain novel 5-chlorocarbonyl-pyrrole precursors.