Used as a highly effective chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions such as asymmetric hydrogenation and cross-coupling. Its rigid, well-defined chiral environment enhances enantioselectivity, making it valuable in the synthesis of optically active pharmaceuticals and fine chemicals. Commonly employed with rhodium, ruthenium, or palladium complexes to achieve high catalytic efficiency and stereochemical control.