chloride to give a single diastereomer of the corresponding sulfinamide in high yield. By an acidic alcoholysis of the sulfinamide with primary alcohols one obtains enantiomericallypure new (R)-(+)-n-alkyl 4-bromobenzenesulfinates. The configurations of the sulfinamide and the sulfinates derived from it have been determined by 1H-NMR and molecular modeling.