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公开(公告)号:US09725415B2
公开(公告)日:2017-08-08
申请号:US15037564
申请日:2014-11-25
发明人: Sergii Pazenok , Norbert Lui , Christian Funke , Arnd Neeff , Vadim Mikhailovich Timoshenko , Elena Ivanovna Kaminskaya , Yuriy Grigorievich Shermolovich
IPC分类号: C07D231/16 , C07D403/04 , C07D231/14 , C07D231/38
CPC分类号: C07D231/16 , C07D231/14 , C07D231/38 , C07D403/04
摘要: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) as described herein, resulting from the reaction of an olefin with hydrazine in the presence of water and a base.