N-Fmoc-3-(2-furyl)-L-alanine is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a temporary protecting group for the amino group during the synthesis process. The furyl side chain introduces unique structural and electronic properties, making it valuable in designing peptides with specific functionalities or interactions. This compound is often employed in research to create custom peptides for studying protein-protein interactions, enzyme activity, or as building blocks in drug discovery. Its application is crucial in developing peptide-based therapeutics, biomaterials, and probes for biochemical studies.