Process for the preparation of epoxides from alkylene carbonates

Process for the preparation of epoxides from alkylene carbonates

A homogeneous catalytic process for converting an alkylene carbonate to the corresponding epoxide wherein a liquid phase comprising said alkylene carbonate and a catalyst is heated at a temperature of from about 100 DEG C to about 250 DEG C to form a product mixture comprising said epoxide and carbo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MCMULLEN, CHARLES HENRY
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 homogeneous catalytic process for converting an alkylene carbonate to the corresponding epoxide wherein a liquid phase comprising said alkylene carbonate and a catalyst is heated at a temperature of from about 100 DEG C to about 250 DEG C to form a product mixture comprising said epoxide and carbon dioxide. The improvement comprises conducting the reaction of alkylene carbonate to epoxide at a pressure below one atmosphere thereby minimizing the formation of undesired aldehyde and/or ketone by-products.