Used as a chiral auxiliary and enantioselective reagent in organic synthesis, particularly in asymmetric transformations where stereochemical control is critical. Its rigid aziridine ring and sulfonamide functionality make it effective for directing stereoselective reactions such as alkylations, aldol additions, and cyclizations. Commonly employed in pharmaceutical synthesis to construct chiral centers in complex molecules. The (R)-enantiomer specifically imparts predictable stereochemical outcomes due to its well-defined spatial arrangement, enabling high enantiomeric excess in target products. Also utilized in the development of bioactive compounds where sulfonamide groups contribute to binding affinity or metabolic stability.