Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of central nervous system agents. It serves as an intermediate in the production of serotonin and norepinephrine reuptake inhibitors, contributing to the treatment of depression and anxiety disorders. Its structural configuration allows for selective interaction with neurotransmitter transporters, enhancing drug efficacy and reducing side effects. Also employed in the preparation of β-adrenergic receptor modulators due to its ability to mimic natural catecholamine structures.