Used primarily in peptide synthesis as a building block for introducing trifluoromethylphenylalanine residues into peptides. The trifluoromethyl group enhances the lipophilicity and metabolic stability of the peptides, making it valuable in drug development. It is often employed in the synthesis of bioactive peptides and peptidomimetics, particularly in the pharmaceutical industry for creating compounds with improved pharmacokinetic properties. The Boc (tert-butoxycarbonyl) protecting group allows for selective deprotection during solid-phase peptide synthesis, ensuring precise control over the peptide assembly process.