Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of central nervous system agents. Its structure supports the creation of selective serotonin reuptake inhibitors and other neuroactive compounds. The amine functionality allows for coupling reactions to form amides or sulfonamides, enhancing drug potency and selectivity. Commonly employed in asymmetric synthesis due to its stereochemical purity, enabling the production of enantiomerically pure drugs.