Widely used in organic synthesis, particularly in palladium-catalyzed cross-coupling reactions such as Suzuki-Miyaura coupling. It serves as a key building block for introducing the indole moiety into complex molecules, which is valuable in pharmaceutical and agrochemical research. The boronate ester group enables efficient carbon-carbon bond formation under mild conditions, making it ideal for constructing biaryl systems and heterocyclic frameworks. Its protected indole nitrogen enhances stability and selectivity during reactions, allowing for sequential transformations in multi-step syntheses. Commonly employed in the development of bioactive compounds, including drug candidates targeting neurological disorders, inflammation, and cancer.