Used primarily in peptide synthesis as a protected amino acid derivative, this compound serves as a chiral building block for the preparation of complex peptides and peptidomimetics. The Fmoc group provides temporary protection for the alpha-amino function, allowing selective deprotection under mild basic conditions, which is compatible with solid-phase peptide synthesis. The presence of a methylated backbone and a secondary amine enhances steric control during coupling steps, making it useful in the design of structurally constrained peptides. Its application is especially valuable in pharmaceutical research for developing bioactive molecules with improved metabolic stability and target selectivity.