Boc-3-(1-naphthyl)-L-alanine is widely used in peptide synthesis as a protected amino acid derivative. Its Boc (tert-butyloxycarbonyl) group provides stability during the synthesis process, preventing unwanted reactions at the amino group. The naphthyl side chain introduces aromaticity and bulkiness, making it valuable in designing peptides with specific structural or functional properties. This compound is particularly useful in medicinal chemistry for developing peptide-based drugs, where the naphthyl group can enhance binding affinity to target proteins or receptors. Additionally, it is employed in research to study peptide conformation and interactions, aiding in the design of bioactive molecules. Its versatility makes it a key component in the synthesis of complex peptides for therapeutic and biochemical applications.