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公开(公告)号：US10125103B2
公开(公告)日：2018-11-13
申请号：US15569681
申请日：2016-04-28
Applicant: Bayer CropScience Aktiengesellschaft
Inventor： Sergii Pazenok , Hans Martin Thomas , Frank Volz
IPC: C07D231/16
Abstract: The present invention relates to a novel method for preparing 5-fluoro-1H-pyrazole-4-carbonyl fluorides by halogen exchange reaction of 5-chloro-1H-pyrazole-4-carbonyl chlorides with alkali metal fluorides, using non-polar solvents.
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