2-(3-Tolyl)pyridine-4-boronic acid is widely used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is essential for forming carbon-carbon bonds, enabling the construction of complex organic molecules. The compound serves as a key intermediate in the production of pharmaceuticals, agrochemicals, and advanced materials. Its boronic acid group allows for efficient coupling with aryl or vinyl halides, making it valuable in the synthesis of biaryl compounds. Additionally, it is utilized in the development of organic electronic materials, such as OLEDs, due to its ability to create conjugated systems with tailored properties. Its versatility and reactivity make it a crucial component in modern synthetic chemistry.