A variety of 3,4-ethylenedioxythiophene (EDOT)-based π-conjugated molecules were efficiently synthesized in good yields through Pd-catalyzed direct C-H bond arylations, wherein a detailed synthetic investigation, including the screening of various kinds of palladium catalysts, ligands, additives, and solvents, was carried out. In addition, the spectroscopic and electrochemical properties of these EDOT-containing molecules were also investigated.
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