Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the production of β-adrenergic receptor agonists and antagonists. Its chiral structure makes it valuable in asymmetric synthesis for drugs targeting cardiovascular and respiratory conditions. Commonly employed in the development of bronchodilators and antihypertensive agents due to its ability to enhance selectivity and efficacy in active enantiomer forms. Also utilized in research for novel CNS-active compounds owing to its structural similarity to neurotransmitter analogs.