Used as a key chiral intermediate in the synthesis of fluorinated pharmaceuticals, particularly in the development of selective serotonin reuptake inhibitors (SSRIs) and other central nervous system agents. Its stereochemistry enhances binding selectivity to neurotransmitter receptors, improving drug efficacy and reducing side effects. Also employed in the preparation of agrochemicals where chirality influences biological activity. The presence of fluorine atoms increases metabolic stability and membrane permeability, making it valuable in optimizing pharmacokinetic properties of active ingredients.