Used as a key intermediate in peptide synthesis, particularly in the preparation of complex organic molecules and pharmaceuticals. Its main role is to protect the amine group during multi-step reactions, allowing selective modification of other functional groups. The tert-butoxycarbonyl (Boc) group provides stability under various reaction conditions and can be removed under mild acidic conditions without disrupting the peptide chain. The cyclohexyl group adds steric bulk, which can influence the stereochemistry and reactivity in asymmetric synthesis. Commonly applied in the development of protease inhibitors, enzyme modulators, and bioactive peptides where precise control over molecular structure is critical.