Used as a chiral auxiliary in asymmetric synthesis, particularly in the development of enantioselective reactions. Its rigid structure and stereochemical stability make it valuable for controlling the formation of chiral centers in complex organic molecules. Commonly employed in the synthesis of pharmaceutical intermediates where high enantiomeric purity is required. The sulfonamide group facilitates easy removal and modification after stereocontrol has been established, allowing for versatile application in multi-step synthetic routes.