This chemical is primarily used in peptide synthesis, where it serves as a building block for creating specific peptide sequences. Its structure allows it to act as a protected amino acid derivative, ensuring that the amino group remains intact during the synthesis process. The fluorenylmethoxycarbonyl (Fmoc) group provides temporary protection, which can be easily removed under mild conditions, making it highly suitable for solid-phase peptide synthesis. Additionally, the presence of the but-3-enoic acid moiety offers versatility in further chemical modifications, enabling the incorporation of unique functional groups into peptides. This compound is particularly valuable in pharmaceutical research and development, where precise peptide construction is essential for drug discovery and biological studies.