Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role. Its epoxide functionality allows for ring-opening reactions with nucleophiles, enabling the formation of complex amine or alcohol derivatives. Commonly employed in the preparation of protease inhibitors and other bioactive molecules due to its ability to mimic transition states in enzymatic reactions. Also utilized in agrochemical synthesis for creating enantiomerically pure compounds. Its sulfonamide group enhances stability and influences solubility, making it suitable for multistep organic transformations.