Used as an intermediate in the synthesis of cephalosporin antibiotics. It plays a key role in modifying the side chain of beta-lactam antibiotics to enhance their antimicrobial activity and resistance to beta-lactamase enzymes. Commonly employed in pharmaceutical manufacturing to produce semi-synthetic cephalosporins with broad-spectrum activity against both Gram-positive and Gram-negative bacteria. Its structure allows for further chemical modifications at the 7-beta amino position, enabling development of various antibiotic derivatives.