Used primarily in solid-phase peptide synthesis, this compound serves as a building block for incorporating constrained cycloalkyl amino acid derivatives into peptide chains. The Fmoc group enables orthogonal protection strategies, allowing stepwise assembly of complex peptides under mild basic conditions. Its rigid cyclohexane backbone introduces conformational restraint, which is valuable for enhancing peptide stability, improving receptor selectivity, and promoting defined secondary structures such as turns or helices. Commonly applied in the development of bioactive peptides, peptidomimetics, and pharmaceutical research where structural control is critical.