Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the development of advanced antimicrobial agents. Its structure supports the formation of potent inhibitors of bacterial DNA gyrase and topoisomerase IV, making it valuable in pharmaceutical research. Also employed in the preparation of novel quinoline-based compounds for potential anticancer and antiviral applications. Commonly utilized in medicinal chemistry for structure-activity relationship (SAR) studies to enhance drug efficacy and reduce resistance.