Process for the preparation of difluorobenzodioxole and chlorofluorobenzodioxole

Process for the preparation of difluorobenzodioxole and chlorofluorobenzodioxole

A novel process for the preparation of benzodioxoles of the formula (I) (I) in which Hal represents a chlorine atom or a fluorine atom, from dichlorobenzodioxole using stoichiometric quantities of anhydrous hydrofluoric acid. A novel process for the preparation of benzodioxoles of the formula (I) (I...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SCHNALKE, KARL-ERWIN, HEINRICH, JOSEF, DOERING, FRITZ
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A novel process for the preparation of benzodioxoles of the formula (I) (I) in which Hal represents a chlorine atom or a fluorine atom, from dichlorobenzodioxole using stoichiometric quantities of anhydrous hydrofluoric acid. A novel process for the preparation of benzodioxoles of the formula (I) (I) in which Hal represents a chlorine atom or a fluorine atom, from dichlorobenzodioxole using stoichiometric quantities of anhydrous hydrofluoric acid.