Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its protected amine and carboxylic acid functionalities make it suitable for peptide-like coupling reactions, allowing incorporation into complex molecular architectures. The methyl-substituted piperidine ring provides structural rigidity and can influence the metabolic stability and binding affinity of the final drug compound. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its stereochemical purity and versatility in transformations.