Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of biologically active compounds where stereochemistry plays a critical role. Its structure allows for the introduction of a carboxylic acid functionality in conjunction with a rigid, aromatic imide group, making it valuable in asymmetric synthesis and medicinal chemistry. Commonly employed in the development of enantiomerically pure drugs, including certain protease inhibitors and targeted cancer therapies. Also utilized in the preparation of peptide mimetics and as a building block in the design of small molecule therapeutics with improved metabolic stability and binding selectivity.