Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure allows for functionalization at multiple sites, making it valuable for developing compounds with enhanced activity against resistant bacterial strains. Commonly employed in pharmaceutical research to build quinolone cores that exhibit broad-spectrum antibacterial properties. Also utilized in medicinal chemistry for structure-activity relationship (SAR) studies to optimize potency, pharmacokinetics, and safety profiles of new drug candidates.