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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Bibliographische Detailangaben
Hauptverfasser:	JAWALEKAR, ANUP, SMITS, HELMARS, PAL, SITARAM, JACKSON, DAVID ANTHONY, QUARANTA, LAURA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	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.