Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of biologically active compounds where stereochemistry plays a critical role. Its fluorinated aromatic structure enhances binding affinity and metabolic stability in drug candidates. Commonly employed in the preparation of enzyme inhibitors and receptor modulators, especially in central nervous system agents and anti-inflammatory drugs. The amine functionality allows for coupling reactions with carboxylic acids or carbonyl compounds to form amides or imines, facilitating rapid diversification in medicinal chemistry research.