Used as a chiral ligand in asymmetric catalysis, particularly in transition metal-catalyzed reactions such as hydrogenation and cross-coupling. Its steric bulk and electron-donating properties enhance enantioselectivity and reaction efficiency. Commonly employed in the synthesis of pharmaceuticals and fine chemicals where high optical purity is required. Effective in rhodium- and ruthenium-based catalytic systems for asymmetric hydrogenation of olefins and ketones. Also utilized in palladium-catalyzed transformations to control stereochemistry in complex molecule assembly.