Used primarily in peptide synthesis, this compound serves as a protected amino acid derivative. Its Fmoc group ensures selective deprotection during solid-phase peptide synthesis, enabling the sequential assembly of peptides. The tert-butyl ester protection on the carboxyl side chain prevents unwanted reactions, allowing for precise control over peptide chain elongation. It is particularly valuable in synthesizing complex peptides with specific functional groups, such as those used in drug development and biochemical research. The compound's stability and compatibility with standard peptide synthesis protocols make it a reliable choice for producing high-purity peptides.