Used as a key intermediate in the synthesis of fluorinated pharmaceuticals, particularly in the development of central nervous system agents and kinase inhibitors. Its rigid tetrahydroquinoline core with fluorine substitutions enhances binding selectivity and metabolic stability in drug candidates. Commonly employed in medicinal chemistry for structure-activity relationship (SAR) studies to optimize potency and pharmacokinetic properties. Also applied in the preparation of bioactive molecules targeting inflammatory and neurological disorders.