Used in the synthesis of pharmaceutical intermediates, particularly in the development of beta-blockers and other cardiovascular drugs. Its chiral structure makes it valuable in asymmetric synthesis, where stereochemistry plays a critical role in drug efficacy. Commonly employed in research settings to prepare bioactive molecules with high enantiomeric purity. Also utilized in the optimization of metabolic stability and lipophilicity in drug candidates due to the tert-butyl protecting group, which can enhance compound half-life during early-stage pharmacokinetic studies.