PROCESS FOR THE PREPARING OF 2-OXO-1,3-DIOXOLANE-4-ILMETHYL METACRYLATE

PROCESS FOR THE PREPARING OF 2-OXO-1,3-DIOXOLANE-4-ILMETHYL METACRYLATE

The method avoids the production of side products and the use of corrosion active reagents and solvents. The preparation of 2-oxo-1.3-dioxolane-4-ylmethyl methacrylate is implemented through the interaction between glycidyl methacrylate and carbon dioxide in the presence of catalyst, such as ammoniu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOSEV, KRASIMIR S, TROEV, KOLAO D, KOSEVA, NELI S
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The method avoids the production of side products and the use of corrosion active reagents and solvents. The preparation of 2-oxo-1.3-dioxolane-4-ylmethyl methacrylate is implemented through the interaction between glycidyl methacrylate and carbon dioxide in the presence of catalyst, such as ammonium or phosphonic halogenide, as follows:where R1 is ethyl, butyl, phenyl, methyl; R2 is ethyl, benzyl, butyl, methyl, capryl; X is Cl, Br or I; A is N or P. A pressure of 5 to 50 atm. and temperatures between 70 and 140 degrees C are necessary for the synthesis.