申请人:PAZENOK Sergii
公开号:US20120136156A2
公开(公告)日:2012-05-31
The present invention relates to a process for preparing 1-pyridyl-substituted pyrazoles, comprising the reaction of acetyleneketones with pyridylhydrazine derivatives to give 1-pyridyl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-pyridyl-substituted trihalomethylpyrazoles, and the further processing thereof.
本发明涉及一种制备1-吡啶基取代吡唑的方法,包括将乙炔酮与吡啶肼衍生物反应,得到1-吡啶基取代的二氢-1H-吡唑,然后进一步反应并消除水,得到1-吡啶基取代的三卤甲基吡唑,最后进行进一步处理。