Used primarily as a key intermediate in organic synthesis, especially in the production of pharmaceuticals and fine chemicals. Its reactive vinyl and ketone functional groups allow it to participate in a variety of cyclization and condensation reactions. It is commonly employed in the synthesis of heterocyclic compounds, including indoles and benzofurans, which are core structures in many bioactive molecules. Also utilized in polymer chemistry as a monomer or cross-linking agent due to the presence of the vinyl group, enabling incorporation into polymer chains for specialty resins and functional materials. Its ability to undergo electrophilic addition and nucleophilic attack makes it valuable in the development of agrochemicals and dyes.