Used in peptide synthesis and bioconjugation, this compound enables the incorporation of extended side-chain structures into peptides, enhancing their structural diversity and functional properties. The Fmoc group allows for solid-phase synthesis under mild conditions, making it compatible with standard peptide assembly techniques. The styryl functionality introduces a photoactive or fluorescent moiety, useful in photodynamic studies, molecular imaging, or designing light-responsive biomaterials. Its beta-homoalanine backbone provides increased flexibility and altered metabolic stability, beneficial in drug design and development of bioactive peptides with improved pharmacokinetic profiles.