Used as a key intermediate in organic synthesis, particularly in the preparation of α,β-unsaturated carbonyl compounds through Wittig-type reactions. It serves as a building block in the synthesis of heterocyclic compounds and pharmaceuticals due to its ability to introduce ester and ketone functionalities in a conjugated system. Commonly employed in the development of biologically active molecules, including anti-inflammatory and antitumor agents. Also utilized in material science for constructing conjugated organic frameworks with potential optoelectronic properties.