A versatile compound often employed in chemical synthesis, [1,1'-Biphenyl]-3,4-diol, also known as biphenol, serves as an essential building block in the creation of various functional materials. This chemical plays a crucial role as a precursor in the synthesis of specialized polymers, particularly in the development of high-performance materials such as liquid crystals, liquid crystal elastomers, and conjugated polymers. Furthermore, [1,1'-Biphenyl]-3,4-diol is widely utilized in the production of optoelectronic devices, including organic light-emitting diodes (OLEDs) and field-effect transistors (FETs), where its unique molecular structure contributes to the enhancement of electrical and optical properties. Additionally, this compound finds application in the construction of complex organic frameworks and heterocyclic compounds, enabling the synthesis of pharmaceutical intermediates and bioactive molecules with significant potential in drug discovery and medicinal chemistry.