Used primarily in peptide synthesis as a chiral building block for introducing naphthyl-containing amino acid derivatives. Its structure allows for selective incorporation into complex peptides, particularly in the development of enzyme inhibitors and receptor ligands. The fluorenylmethyloxycarbonyl (Fmoc) group enables solid-phase synthesis by providing orthogonal protection, making it valuable in automated peptide assembly. Commonly applied in medicinal chemistry for designing bioactive molecules with enhanced stability and binding affinity due to the bulky aromatic group. Also utilized in asymmetric synthesis and chiral catalysis research.