Used as a chiral building block in the synthesis of peptide-based pharmaceuticals. Its protected functional groups allow selective reactions during stepwise peptide assembly. Commonly employed in solid-phase and solution-phase peptide synthesis to introduce specific stereochemistry. The tert-butoxy and benzyloxy carbonyl (Cbz) protecting groups offer orthogonal stability, enabling controlled deprotection and coupling in complex molecule construction. Frequently applied in the development of enzyme inhibitors and bioactive peptides.