Used in pharmaceutical research as a building block for synthesizing biologically active compounds, particularly in the development of kinase inhibitors and other targeted therapies. Its structure supports functionalization useful in forming heterocyclic systems common in drug discovery. Also employed in the preparation of fluorescent probes and imaging agents due to its favorable reactivity in cross-coupling reactions like Suzuki and Heck reactions. Common in medicinal chemistry for modifying core scaffolds to enhance binding affinity and selectivity.