Used primarily in organic synthesis as a key building block for cross-coupling reactions, especially in the Suzuki-Miyaura coupling. This compound enables the formation of conjugated alkynes, which are important in the development of organic electronic materials such as semiconductors, light-emitting diodes (OLEDs), and molecular wires. Its boronate ester groups provide high stability and reactivity, making it ideal for iterative synthesis in constructing extended π-conjugated systems. It is also employed in the preparation of functional polymers and metal-organic frameworks (MOFs) where precise molecular architecture is required.