Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of protease inhibitors and other biologically active compounds. Its (R) stereochemistry makes it valuable for constructing peptide mimetics and enzyme inhibitors. Commonly employed in asymmetric synthesis to introduce the (R)-phenylalanine moiety in drug development. Also utilized in the preparation of substrates for enzymatic studies and in the manufacture of certain antihypertensive agents.