Used as a key intermediate in the synthesis of certain pharmaceuticals, particularly in the production of β-adrenergic receptor agonists. It serves as a chiral building block in drugs targeting respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). Its stereochemistry is critical for biological activity, making it valuable in asymmetric synthesis for active pharmaceutical ingredients (APIs). Also employed in the development of selective adrenergic agents due to its structural compatibility with receptor binding sites.