Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of protease inhibitors and other biologically active compounds. Its stereochemistry makes it valuable for constructing enantiomerically pure drugs, where the (R)-configuration is essential for desired biological activity. Commonly employed in peptide mimetics and enzyme inhibitor design due to the presence of functional groups that mimic natural amino acids while providing metabolic stability. Also utilized in asymmetric synthesis to introduce chiral centers in complex molecules.