Used in peptide synthesis as a protected intermediate, enabling the controlled construction of complex peptides. Its Boc group safeguards the amino function, while the benzyl ester protects the carboxyl group, ensuring selective reactions during peptide chain assembly. Commonly applied in the development of pharmaceuticals and bioactive peptides, particularly in research targeting enzyme inhibitors or receptor ligands. Its stability and ease of deprotection make it a valuable tool in solid-phase peptide synthesis and medicinal chemistry.