Process for the preparation of cyclic diketones

Process for the preparation of cyclic diketones

The present invention relates to a process for the preparation of compounds of formula I wherein the substituents are as defined in claim 1, by conversion of a compound of formula II to a salt of formula III reaction of that compound with a compound of formula IV X-C(O)-Q wherein X is a leaving grou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SCHNEIDER HERMANN, EDMUNDS ANDREW, LUETHY CHRISTOPH
Format: Patent
Sprache:eng ; pol
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for the preparation of compounds of formula I wherein the substituents are as defined in claim 1, by conversion of a compound of formula II to a salt of formula III reaction of that compound with a compound of formula IV X-C(O)-Q wherein X is a leaving group, to form a compound of formula V and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions.