Used as a ligand in transition metal catalysis, particularly in cross-coupling reactions like Suzuki-Miyaura and Heck reactions. It enhances catalytic efficiency due to its steric bulk and electron-donating properties. Commonly applied in pharmaceutical synthesis for constructing complex organic molecules. Also employed in materials science for developing advanced polymers and nanomaterials. Its stability and reactivity make it valuable in asymmetric synthesis for producing enantiomerically pure compounds.