Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure allows for further functionalization at the 1-position and 7-position of the quinoline core, enabling the development of compounds with enhanced activity against resistant bacterial strains. Commonly employed in pharmaceutical research to build quinolone-based drugs targeting DNA gyrase and topoisomerase IV. Also utilized in medicinal chemistry for structure-activity relationship (SAR) studies to optimize potency, spectrum of activity, and pharmacokinetic properties.