Used as a key intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex quinoline derivatives with tailored electronic and structural properties. Commonly applied in the development of pharmaceuticals, agrochemicals, and organic electronic materials due to its ability to introduce the quinoline scaffold into larger conjugated systems. Its boronate ester group facilitates efficient carbon-carbon bond formation under mild conditions, making it valuable in medicinal chemistry for constructing biaryl frameworks found in bioactive molecules.