Used as a key intermediate in organic synthesis, particularly in the preparation of biologically active molecules and pharmaceuticals. Its phosphonate group enables Horner-Wadsworth-Emmons reactions, facilitating the formation of carbon-carbon double bonds, especially in the synthesis of alkenes with defined stereochemistry. Commonly applied in the development of antiviral and anticancer agents due to its ability to mimic phosphate esters in metabolic pathways. Also utilized in agrochemical synthesis for creating novel herbicides and plant growth regulators. Its dimethylamino group enhances solubility and reactivity, making it valuable in catalysis and ligand design.