Method for the Regioselective Synthesis of 1-Alkyl-3-haloalkyl-pyrazole-4-carboxylic Acid Derivatives
申请人:Pazenok Sergii
公开号:US20110009642A1
公开(公告)日:2011-01-13
The present invention relates to a process for the regioselective synthesis of 1-alkyl-3-halo-alkylpyrazole-4-carboxylic acid derivatives by cyclization of 2,3-disubstituted acrylic acid derivatives, and to the hydrazones formed as intermediates in the process.
本发明涉及一种通过2,3-二取代丙烯酸衍生物的环化反应,选择性地合成1-烷基-3-卤代-烷基吡唑-4-羧酸衍生物的过程,以及在该过程中形成的腙的中间体。