6-Quinolineboronic acid pinacol ester is widely used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is a powerful tool for forming carbon-carbon bonds, enabling the construction of complex organic molecules. The compound serves as a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. Its stability and reactivity make it suitable for creating quinoline derivatives, which are often found in drugs targeting various diseases, including cancer and infectious diseases. Additionally, it is employed in the development of organic electronic materials, such as light-emitting diodes (LEDs) and semiconductors, due to its ability to introduce functional groups into aromatic systems.