Widely used in Suzuki-Miyaura cross-coupling reactions, this compound serves as a key boron reagent for forming carbon-carbon bonds in pharmaceutical and agrochemical synthesis. Its boronic ester functionality enables efficient coupling with aryl or vinyl halides under palladium catalysis, making it valuable in the preparation of complex organic molecules, particularly in drug discovery and development. The isoindolinone core also appears in bioactive compounds, allowing this derivative to act as a building block for medicinal chemistry and functional materials. Its stability and reactivity profile make it suitable for late-stage functionalization in multistep syntheses.