PROCESS FOR THE PREPARATION OF BIS-DIHALOALKYL PYRAZOLES

The present invention relates to a process for the preparation of bisdihaloalkyl pyrazoles of formula (V) starting from diketones and acylhalides reacted with a Lewis acid, and a subsequent reaction with a substituted hydrazine.

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Bibliographic Details
Main Authors JAWALEKAR, ANUP, SMITS, HELMARS, PAL, SITARAM, JACKSON, DAVID ANTHONY, QUARANTA, LAURA
Format Patent
LanguageEnglish
French
German
Published 23.12.2015
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to a process for the preparation of bisdihaloalkyl pyrazoles of formula (V) starting from diketones and acylhalides reacted with a Lewis acid, and a subsequent reaction with a substituted hydrazine.
Bibliography:Application Number: EP20140703582