Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its structure allows for selective interactions in asymmetric synthesis, making it valuable in the production of enantiomerically pure drugs. Commonly employed in the preparation of central nervous system agents and receptor modulators due to the aromatic and amine functionality that can mimic natural neurotransmitters. Also utilized in the development of agrochemicals and specialty chemicals requiring high enantiopurity.