Used in the synthesis of certain beta-lactam antibiotics, particularly as an intermediate in the production of semisynthetic penicillins and cephalosporins. Its structure supports the formation of key pharmacophores that enhance antimicrobial activity and resistance to beta-lactamase enzymes. Commonly employed in pharmaceutical research for developing antibiotics with improved stability and spectrum of action. Also utilized in peptide coupling reactions due to its functional carboxylic acid and amino groups, enabling conjugation to other bioactive molecules.