| abstract |
A process is disclosed for the preparation of derivatives of perfluoroalkanecarboxylic acids and perfluoroalkanesulphinic acids by reacting a perfluoroalkylhalide having the general formula RFX, in which X represents an atom of chlorine, bromine, or iodine, and RF represents an unbranched or branched perfluorinated chain containing from 2 to 12 carbon atoms; with CO2 or SO2 in a solvent medium and in the presence of activated or unactivated zinc. |