Used as a key intermediate in the synthesis of quinolone antibiotics, particularly in the production of fluoroquinolone drugs which exhibit broad-spectrum antibacterial activity. It plays an essential role in constructing the quinoline core structure that contributes to the drug’s ability to inhibit bacterial DNA gyrase and topoisomerase IV. Also employed in research for developing new antimicrobial agents and in the preparation of fluorescent probes due to its favorable photophysical properties. Its derivatives are explored for potential applications in medicinal chemistry, including antimalarial and anticancer agents.