Used as a key chiral intermediate in the synthesis of pharmaceutical agents, particularly in the production of serotonin-norepinephrine reuptake inhibitors (SNRIs) for treating depression and anxiety disorders. Its stereochemistry enables selective biological activity, improving drug efficacy and reducing side effects. Also employed in the development of novel kinase inhibitors and other central nervous system (CNS)-targeted therapeutics. Widely utilized in asymmetric synthesis due to its stable chiral center and functional group compatibility.