This compound is primarily used in peptide synthesis, particularly in the pharmaceutical and biochemical research fields. It serves as a protected amino acid derivative, where the Boc (tert-butyloxycarbonyl) group safeguards the amino functionality during the peptide chain assembly process. The thienyl side chain introduces unique structural and electronic properties, making it valuable for designing peptides with specific biological activities or binding characteristics. It is often employed in the development of peptide-based drugs, enzyme inhibitors, or receptor ligands, especially in cases where the incorporation of a thiophene ring enhances interactions with target proteins or enzymes. Additionally, its chiral nature (D-configuration) allows for the creation of stereospecific peptides, which can be critical for achieving desired biological outcomes.