Used in organic synthesis as a building block for pharmaceuticals and agrochemicals, particularly in the development of nicotinic receptor ligands. Serves as a key intermediate in the preparation of pyridine-containing compounds, including bioactive molecules and functional materials. Its α,β-unsaturated ester structure allows participation in Michael additions and cycloaddition reactions, making it valuable in medicinal chemistry for constructing heterocyclic systems. Also employed in polymer chemistry to introduce pyridyl functionality into copolymers for enhanced material properties.