Used as a key intermediate in the synthesis of cephalosporin antibiotics, particularly third-generation cephalosporins. Its structure allows for the introduction of specific side chains that enhance antibiotic activity against a broad spectrum of bacteria, including resistant strains. The Boc-protected amine group enables selective deprotection and further functionalization during antibiotic assembly. Widely employed in pharmaceutical manufacturing to improve yield and purity in beta-lactam antibiotic production.