Used as a chiral auxiliary or intermediate in asymmetric synthesis, particularly in the development of biologically active compounds. Its rigid, fused ring structure with defined stereochemistry makes it valuable for controlling stereoselectivity in reactions such as alkylations, aldol additions, and cyclizations. Commonly employed in pharmaceutical research to construct enantiomerically pure nitrogen- and sulfur-containing heterocycles. The sulfonamide group allows for further functionalization or coordination, enhancing its utility in catalyst design and medicinal chemistry.