Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the production of protease inhibitors and other bioactive molecules. Its enantiomerically pure structure makes it valuable for developing drugs with high specificity and reduced side effects. Commonly employed in the preparation of intermediates for antiviral and cardiovascular medications. Also utilized in research for asymmetric synthesis due to its amine and ester functionalities, which allow for versatile chemical transformations.