(S)-2'-(Diphenylphosphino)-[1,1'-binaphthalen]-2-amine is widely used in asymmetric catalysis, particularly in the synthesis of chiral compounds. It serves as a key ligand in transition metal-catalyzed reactions, enabling the production of enantiomerically pure pharmaceuticals and fine chemicals. Its application is prominent in hydrogenation, cross-coupling, and C-H activation reactions, where it enhances selectivity and efficiency. The compound is also utilized in the development of advanced materials and organic semiconductors due to its unique electronic properties. Its role in academic and industrial research is significant for exploring new catalytic processes and optimizing existing ones.