Dibenzothiophene-2-boronic acid is an organoboron compound featuring a dibenzothiophene core functionalized with a boronic acid group at the 2-position. This structure combines the electron-rich and rigid planar characteristics of the dibenzothiophene moiety with the versatile reactivity of the boronic acid functional group. Its primary application is as a key synthetic building block in materials science, particularly in the development of organic electronic materials. It is extensively used in Suzuki-Miyaura cross-coupling reactions to construct complex π-conjugated systems for organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and organic field-effect transistors (OFETs). The dibenzothiophene unit is valued for its high thermal stability, good charge-transport properties, and ability to modulate the HOMO/LUMO energy levels of the resulting materials. As a boronic acid derivative, it also serves as a general-purpose organic synthesis reagent for constructing carbon-carbon bonds, making it a valuable intermediate in pharmaceutical and agrochemical research where the dibenzothiophene scaffold is of interest.