Used in the synthesis of chiral intermediates for pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its Boc-protected amine and alcohol functional groups allow selective reactions in multi-step organic syntheses. Commonly employed in asymmetric synthesis and resolution processes due to the stability and stereochemical integrity of the D-configuration. Also utilized in the preparation of peptidomimetics and as a building block in combinatorial chemistry for drug discovery.