Used as a key intermediate in the synthesis of tyrosine kinase inhibitors, particularly in anticancer drug development. It plays a role in targeting signaling pathways involved in tumor growth and proliferation, especially in therapies directed against certain types of leukemia and solid tumors. Its structure enables selective binding to enzyme active sites, enhancing drug efficacy. Also employed in research settings for developing novel quinoline-based pharmaceuticals with improved metabolic stability and bioavailability.