Used as a key intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the production of advanced antimicrobial agents. Its structure supports the formation of core quinolone frameworks essential for inhibiting bacterial DNA gyrase and topoisomerase IV. Commonly employed in pharmaceutical research and development for creating derivatives with enhanced potency, broader spectrum activity, and improved pharmacokinetic profiles. Also utilized in medicinal chemistry for structure-activity relationship (SAR) studies to optimize antibacterial efficacy and reduce resistance development.