método para preparação de fluoretos de 5-fluoro-1h-pirazol-4-carbonila

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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Bibliographic Details
Main Authors HANS MARTIN THOMAS, SERGII PAZENOK, FRANK VOLZ
Format Patent
LanguagePortuguese
Published 17.07.2018
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary: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.
Bibliography:Application Number: BR20171122808