Used in peptide synthesis as a protected form of 3-hydroxy-D-phenylalanine, ensuring selective reactions during the formation of complex peptides. It is particularly valuable in the production of pharmaceuticals, where precise control over amino acid incorporation is essential. The Boc group provides stability under various reaction conditions, making it a key intermediate in the synthesis of bioactive compounds and drug candidates. Additionally, it finds application in research for developing novel therapeutic agents, especially in the field of neuroscience and hormone-related treatments.