Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors for cancer treatment. Its structure supports the formation of targeted therapies by enabling selective binding to enzyme active sites. Also employed in agrochemicals to enhance the efficacy of crop protection agents. Serves as a ligand or building block in catalytic reactions, facilitating carbon–phosphorus bond formation in organic synthesis. Its amine and phosphine oxide groups allow for versatile functionalization, making it valuable in medicinal chemistry research and drug discovery.