Process for the preparation of symmetrical and asymmetrical...

Details Process for the preparation of symmetrical and asymmetrical... Process for the preparation of symmetrical and asymmetrical...

C - Chemistry, Metallurgy

07

C

C07C 68/04 (2006.01) C07C 69/96 (2006.01)

Patent

CA 2360823

The invention relates to a method for preparing symmetrical and asymmetrical carbonates of the general formula (I) by reacting alcohols of the general formula (II) and alkyl or aryl halides of the general formula (III) with carbon dioxide and cesium carbonate at ambient temperature in dipolar aprotic solvents.

L'invention concerne un procédé permettant de préparer des carbonates symétriques et asymétriques de la formule générale (I) par réaction d'alcools de la formule générale (II) et des haloïdes d'alkyle ou d'aryle de la formule générale (III) avec du dioxyde de carbone et du carbonate de césium à température ambiante dans des solvants aprotiques de manière dipolaire.

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