Process for the preparation of 5-Fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl Chlorides and Fluorides
    62.
    发明申请
    Process for the preparation of 5-Fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl Chlorides and Fluorides 有权
    5-氟-1-烷基-3-氟烷基-1H-吡唑-4-羰基氯和氟化物的制备方法

    公开(公告)号:US20110288305A1

    公开(公告)日:2011-11-24

    申请号:US13092429

    申请日:2011-04-22

    IPC分类号: C07D231/14

    CPC分类号: C07D231/16

    摘要: The present invention relates to a novel process for the preparation of 5-fluoro-1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl halides and the intermediates occurring in this process, ethyl 5-chloro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carboxylate and ethyl 5-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carboxylate.

    摘要翻译: 本发明涉及一种制备5-氟-1-烷基-3-氟烷基-1H-吡唑-4-羰基卤化物的新方法和在该方法中发生的中间体,5-氯-1-甲基-3- - 二氟甲基-1H-吡唑-4-羧酸乙酯和5-氟-1-甲基-3-二氟甲基-1H-吡唑-4-羧酸乙酯。