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 ester functional groups allow for selective transformations in multi-step organic syntheses. The stereochemistry of the compound makes it valuable for creating enantiomerically pure drugs, especially in research targeting central nervous system agents and antiviral compounds. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies due to its conformational rigidity and defined stereochemistry.