This chemical is primarily used in peptide synthesis as an active ester intermediate. It facilitates the coupling of amino acids or peptides by reacting with free amino groups, enabling the formation of amide bonds. The tert-butoxycarbonyl (Boc) group acts as a protecting group for amines, ensuring selective reactions during the synthesis process. Its application is crucial in the production of complex peptides and proteins, particularly in pharmaceutical research and development. The compound’s stability and reactivity make it a valuable tool in organic and medicinal chemistry for constructing biologically active molecules.