Used as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the formation of carbon-carbon bonds in pharmaceutical synthesis. Its boronic ester group facilitates efficient and selective coupling with aryl or heteroaryl halides under palladium catalysis. Commonly employed in the development of bioactive molecules, particularly in the construction of complex benzooxazine derivatives with potential therapeutic activity. The pinacol ester group enhances stability and handling while maintaining good reactivity in aqueous and organic solvent systems.