VERFAHREN ZUR HERSTELLUNG VON 3-AMINO-4,6DIACETYLPHENOL ODER EINEM DERIVAT HIERVON

VERFAHREN ZUR HERSTELLUNG VON 3-AMINO-4,6DIACETYLPHENOL ODER EINEM DERIVAT HIERVON

There is disclosed a process for the production of 3-amino-4,6-diacetyl phenol, or a derivative thereof, which comprises reacting a compound of formula III, III or a protected derivative thereof, in which R is acetyl or hydrogen, with an excess of acetyl chloride or acetyl bromide and aluminium chlo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EYLEY, STEPHEN CHRISTOPHER, COLTMAN, STEPHEN CHARLES WALTER
Format: Patent
Sprache:ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Beschreibung
Zusammenfassung:There is disclosed a process for the production of 3-amino-4,6-diacetyl phenol, or a derivative thereof, which comprises reacting a compound of formula III, III or a protected derivative thereof, in which R is acetyl or hydrogen, with an excess of acetyl chloride or acetyl bromide and aluminium chloride or aluminium bromide at a temperature of from 30 DEG to 50 DEG C. in an halogenated hydrocarbon solvent.