N-Boc-3-hydroxy-DL-phenylalanine is widely used in peptide synthesis as a protected amino acid derivative. The Boc (tert-butoxycarbonyl) group serves as a protective group for the amine functionality, allowing selective reactions to occur at other sites of the molecule during peptide assembly. This compound is particularly valuable in the synthesis of complex peptides and proteins, where precise control over the sequence and structure is essential. Additionally, it is utilized in the production of pharmaceutical intermediates, enabling the development of drugs with specific biological activities. Its role in research and development of bioactive peptides and therapeutic agents makes it a crucial component in medicinal chemistry and biochemistry.