Boc-3,4,5-trifluoro-D-phenylalanine is widely used in peptide synthesis, particularly in the development of pharmaceutical compounds. Its Boc protecting group ensures selective reactions during peptide chain assembly, while the trifluoro-phenylalanine moiety enhances the stability and bioavailability of the peptides. This compound is valuable in creating peptide-based drugs targeting specific biological pathways, such as enzyme inhibitors or receptor modulators. Additionally, its incorporation into peptides can improve their resistance to metabolic degradation, making it useful in designing therapeutic agents with prolonged activity. The compound is also employed in research to study peptide interactions and conformational properties, aiding in the design of novel bioactive molecules.