Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other biologically active compounds. Its structure contains both a protected amine and a carboxylic acid functional group, making it suitable for peptide coupling reactions. The presence of the 2,6-difluorophenyl group enhances binding selectivity in target molecules, which is beneficial in drug design for improved potency and metabolic stability. Commonly employed in the preparation of antiviral and anticancer agents where stereochemistry plays a critical role in biological activity.