abstract |
A process for the preparation of 2-oxo-[1,3] dioxolane-4-carboxylic acid esters of formula (I) with R being an organic group comprising 1 to 10 carbon atoms, wherein an oxirane-2-carboxylic acid ester of formula (II) is reacted with carbon dioxide (CO 2 ) at a pressure of at least 35 bars and a temperature of 60 to 80°C. |