Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its structure enables the formation of pyrrolidine-based rings found in various bioactive molecules. Commonly employed in the production of antiviral, anticancer, and central nervous system agents. Also utilized in the preparation of intermediates for protease inhibitors and other enzyme-targeted drugs. The hydrochloride salt form enhances stability and solubility, making it suitable for industrial-scale reactions and purification processes.