Used as a protected form of 4-aminobutanamide in organic synthesis, particularly in peptide and pharmaceutical manufacturing. The tert-butyloxycarbonyl (Boc) group provides stability during reactions and can be easily removed under mild acidic conditions, making it ideal for stepwise assembly of complex molecules. Commonly employed in the synthesis of bioactive compounds, including GABA analogs, enzyme inhibitors, and central nervous system agents. Its amine-protecting functionality allows selective reactions at other sites in multifunctional intermediates, enhancing synthetic efficiency in drug development.