Used in pharmaceutical research as a key intermediate for developing serotonin receptor modulators, particularly targeting 5-HT1A receptors. Shows potential in the synthesis of compounds with anxiolytic and antipsychotic activity. Investigated for its role in central nervous system drug design due to its ability to cross the blood-brain barrier and bind selectively to neural targets. Also employed in structure-activity relationship (SAR) studies to optimize quinazoline-based bioactive molecules.