This chemical is primarily used in the field of peptide synthesis, where it serves as a protected amino acid derivative. The fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amino functionality, allowing for selective deprotection during the synthesis process. Its cyclobutyl side chain provides unique structural properties, making it valuable in the design of peptides with specific conformational features. This compound is particularly useful in solid-phase peptide synthesis (SPPS), enabling the construction of complex peptides and proteins for research in drug development, biochemistry, and molecular biology. Its application is critical in producing peptides with high purity and precise sequences.