| abstract |
The invention relates to a new process for the preparation and isolation of alkyloxiranes, in which alkenes with 7 to 20 carbon atoms are dissolved with a solution of a 3 or 4 carbon atom-containing percarboxylic acid in an organic solvent at 40 to 90 ° C and a molar ratio of Alkene converts to percarboxylic acid from 0.9: 1 to 5: 1, certain contents of water, hydrogen peroxide and mineral acids in the percarboxylic acid solution not being exceeded, and the reaction mixture, if appropriate after extraction with water, is separated into its components by distillation . This process is particularly economical and environmentally friendly. |