Process for preparing 1, 5-diaryl-3-substituted pyrazoles
    7.
    发明授权
    Process for preparing 1, 5-diaryl-3-substituted pyrazoles 有权
    制备1,5-二芳基-3-取代的吡唑的方法

    公开(公告)号:US06613914B2

    公开(公告)日:2003-09-02

    申请号:US10086583

    申请日:2002-03-01

    CPC classification number: C07D231/12 C07C51/083 C07C59/88

    Abstract: A process for making a compound of formula I wherein the substituents are as described in the specification comprising reacting a ketone of formula II with succinic anhydride and an alkoxide base to form a compound of formula III which is reacted with a compound of formula IV to form a compound of V and reacting with an alcohol to form the corresponding ester of formula VI and reacting the ester with N-methylhydroxylamine.

    Abstract translation: 制备式I化合物的方法,其中取代基如说明书中所述包括使式II的酮与琥珀酸酐和醇盐碱反应形成式III化合物,其与式IV化合物反应形成 钒的化合物与醇反应以形成相应的式VI的酯,并使酯与N-甲基羟胺反应。

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