Used in organic synthesis as a key building block for conjugated polymers and small molecules in organic electronics. Serves as a bifunctional monomer in Suzuki-Miyaura cross-coupling reactions to construct extended π-conjugated systems. Commonly applied in the development of organic semiconductors for devices such as organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic light-emitting diodes (OLEDs). Its boronic acid groups enable efficient and selective coupling with halogenated aromatic compounds, facilitating the synthesis of complex thiophene-based materials with tunable electronic properties. Also employed in the preparation of sensors and electroactive materials due to the stability and conductivity of bithiophene derivatives.