Used as a protected amine building block in peptide synthesis and medicinal chemistry. The tert-butyl carbamate (Boc) group provides stability under various reaction conditions while the benzotriazole moiety acts as a good leaving group, facilitating amide bond formation or nucleophilic substitution. Commonly employed in the preparation of protease inhibitors, kinase inhibitors, and other bioactive molecules where controlled deprotection and coupling are required. Also utilized in solid-phase synthesis and combinatorial chemistry due to its compatibility with a wide range of functional groups and protecting group strategies.