Used as a chiral building block in pharmaceutical synthesis, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its rigid, bidentate amine structure makes it suitable as a ligand in asymmetric catalysis, enabling the production of enantiomerically pure compounds. Commonly employed in the synthesis of protease inhibitors and other bioactive molecules due to its ability to enhance binding selectivity and metabolic stability. Also utilized in the design of organocatalysts for carbon-carbon bond-forming reactions.