This chemical is widely used in organic synthesis as a key intermediate for the preparation of various biologically active compounds. It plays a significant role in the Horner-Wadsworth-Emmons reaction, which is a method for forming alkenes from aldehydes or ketones. Its application is particularly notable in the synthesis of α,β-unsaturated carbonyl compounds, which are important in the production of pharmaceuticals, agrochemicals, and fine chemicals. Additionally, it is utilized in the development of materials with specific optical and electronic properties, making it valuable in the field of material science. Its versatility and reactivity make it a crucial component in the synthesis of complex organic molecules.