PROCESS FOR PREPARING 3-ISOCHROMANONE

A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-alpha,alpha'-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.

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Bibliographische Detailangaben
Hauptverfasser:	NISBET, LOGAN, THOMSON, BENNIE, COLIN, JOHN, JONES, RAYMOND VINCENT H, WHITTON, ALAN, JOHN, WHITE, JENNIFER, ANN, FIELDHOUSE, ROBIN, MACCORMICK, KIRSTIN, RITCHIE, DAVID, JOHN, EVANS, PAUL, RICHARD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-alpha,alpha'-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.