Used in pharmaceutical research as a key intermediate in the synthesis of kinase inhibitors, particularly in the development of anticancer agents. It serves as a building block for compounds targeting tyrosine kinases involved in cell signaling pathways. Also employed in the design of selective inhibitors for treating inflammatory diseases and neurological disorders due to its ability to cross the blood-brain barrier. Its structural properties make it valuable in optimizing drug potency and metabolic stability in medicinal chemistry programs.