Used in the synthesis of β-adrenergic receptor agonists, particularly in pharmaceuticals targeting respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD). It serves as a key intermediate in creating bronchodilators due to its structural similarity to catecholamines. Its amino alcohol backbone allows for effective interaction with adrenergic receptors, enhancing therapeutic activity. Commonly employed in research and development of selective beta-2 agonists to improve airway function with reduced side effects.