| abstract |
In the present invention, formula [1] (In the formula [1], A is a substituted or unsubstituted linear, branched or cyclic alkoxy group having 1 to 20 carbon atoms, substituted or unsubstituted aryl jade having 6 to 15 carbon atoms.) 2-bromo-2, comprising reducing a bromodifluoroacetic acid derivative represented by a time period or a heteroaryloxy group having 4 to 15 carbon atoms or a halogen) with an art hydride complex as a reducing agent; A process for the preparation of 2-difluoroethanol is provided. This 2-bromo-2,2-difluoroethanol is used as a raw material, and 2-alkylcarbonyloxy-1,1-difluoroethane sulfonate is obtained by performing an esterification process, a sulfination process, and an oxidation process in turn. You can get it. |