Quinolin-6-ylboronic acid is widely used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is essential for forming carbon-carbon bonds, making it valuable in the production of pharmaceuticals, agrochemicals, and advanced materials. Its boronic acid group acts as a key intermediate, enabling the creation of complex organic molecules with high precision. Additionally, it is employed in the development of fluorescent probes and sensors due to its ability to interact with specific biological targets. Its versatility and reactivity make it a crucial component in medicinal chemistry and material science research.