Used as an intermediate in the synthesis of fluoroquinolone antibiotics, particularly in the preparation and modification of ciprofloxacin derivatives. The tert-butoxycarbonyl (Boc) protecting group facilitates selective reactions by shielding the amine functionality during multi-step organic syntheses. This compound is valuable in pharmaceutical research for developing new antibiotic analogs with improved efficacy or reduced side effects. It is commonly employed in medicinal chemistry laboratories for route optimization and structure-activity relationship studies.