Used in pharmaceutical research as a key intermediate in the synthesis of potent kinase inhibitors, particularly targeting tyrosine kinases involved in cancer cell proliferation. Its structure allows for selective modifications, making it valuable in developing compounds with high binding affinity to ATP-binding sites in enzymes. Also explored in the design of CNS-active agents due to its ability to cross the blood-brain barrier in preclinical models. Commonly employed in structure-activity relationship (SAR) studies to optimize antitumor and anti-inflammatory drug candidates.