PRODUCTION METHOD FOR HALOGENATED PYRAZOLECARBOXYLIC ACID

The present invention provides a method capable of more simply and efficiently producing halogen-containing pyrazolecarboxylic acids useful as pharmaceutical or agrochemical intermediates, in a manner suitable for industrial production.The present invention relates to a method of producing a compoun...

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Bibliographic Details
Main Authors SHIMIZU, Shota, SAWAGUCHI, Masanori
Format Patent
LanguageEnglish
French
German
Published 09.09.2020
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention provides a method capable of more simply and efficiently producing halogen-containing pyrazolecarboxylic acids useful as pharmaceutical or agrochemical intermediates, in a manner suitable for industrial production.The present invention relates to a method of producing a compound represented by the formula (b), which comprises reacting a compound represented by the formula (a) with oxygen in the presence of a compound containing a transition metal atom to obtain the compound represented by the formula (b):wherein each symbol is as described in the description.
Bibliography:Application Number: EP20180777963