Used as a key intermediate in the synthesis of fluorinated quinoline derivatives, which show biological activity in medicinal chemistry. Commonly employed in the development of antimalarial and anticancer agents due to its ability to enhance binding affinity and metabolic stability. Also utilized in the preparation of fluorescent probes and sensors, benefiting from the electron-withdrawing effect of the fluorine atom that improves photophysical properties. Its aldehyde group allows for easy functionalization via condensation or reduction reactions, making it valuable in combinatorial chemistry and drug discovery.