Used as a protected dipeptide building block in the synthesis of complex peptides and pharmaceuticals. Its main application lies in organic and medicinal chemistry, particularly in solid-phase or solution-phase peptide synthesis where selective protection of amino groups is required. The tert-butoxycarbonyl (Boc) group provides stability under various reaction conditions and can be removed under mild acidic conditions, allowing for stepwise assembly of peptide chains. The benzyl ester protects the C-terminal carboxylic acid and can be cleaved via hydrogenolysis. This compound is valuable in the preparation of peptide-based drugs, enzyme inhibitors, and bioactive molecules where precise control over stereochemistry and functional group reactivity is essential.