Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of angiotensin II receptor blockers (ARBs) like valsartan and related antihypertensive drugs. Its structure contains both a protected amine and a carboxylic acid group, making it suitable for peptide coupling and sequential functionalization in multi-step drug synthesis. The methoxypyridine moiety enhances binding affinity in target receptors, contributing to the biological activity of the final drug compound. Commonly employed in asymmetric synthesis to ensure high enantiomeric purity, which is critical for drug efficacy and safety.