Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of selective serotonin reuptake inhibitors (SSRIs) and other central nervous system agents. Its chiral amine structure enables high enantioselectivity in drug formulations, improving efficacy and reducing side effects. Commonly employed in asymmetric synthesis routes where the (R)-enantiomer provides optimal biological activity. Also utilized in the development of fluorinated analogs for metabolic stability in drug candidates.