Widely used in peptide synthesis, this compound serves as a protected amino acid derivative, specifically for introducing adamantyl-containing amino acids into peptide chains. The Fmoc group allows for mild base-labile protection, compatible with solid-phase synthesis strategies. Its bulky adamantyl side chain imparts high hydrophobicity and structural rigidity, making it valuable in the design of conformationally constrained peptides. It is often employed in medicinal chemistry for developing enzyme inhibitors or receptor modulators where steric bulk influences biological activity. Additionally, it finds use in the synthesis of peptidomimetics and bioactive molecules requiring enhanced metabolic stability and membrane permeability.