2-Ethoxyphenylboronic 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. The compound acts as a key intermediate in the synthesis of complex organic molecules, including bioactive compounds and polymers. Its boronic acid group enables selective and efficient coupling with aryl halides, facilitating the creation of diverse aromatic structures. Additionally, it finds applications in the development of sensors and catalysts due to its ability to interact with diols and other functional groups. Its versatility makes it a crucial component in modern synthetic chemistry.