This chemical is widely used in peptide synthesis as a protected form of tyrosine. It serves as a building block in the creation of complex peptides, particularly in solid-phase peptide synthesis (SPPS). The tert-butyl (tBu) group protects the hydroxyl side chain of tyrosine during the synthesis process, preventing unwanted reactions. This ensures the integrity of the peptide chain is maintained until the final deprotection step. It is particularly valuable in the production of peptides for pharmaceutical research, drug development, and biochemical studies, where precise control over peptide structure is critical. Additionally, it is used in the development of peptide-based therapeutics, such as hormones, antibiotics, and enzyme inhibitors, due to its stability and compatibility with standard synthesis protocols.