Roncali and co-workers reported the synthesis of stable and soluble oligo(3,4-ethylenedioxythiophenes ), 17 and also the synthesis of thienylvinylenes incorporating EDOT units. 18 Very recently, a direct arylation of heteroarenes including 3-methoxythiophene was reported with aryl iodides using rhodium catalyst. 19 Roncali and co-workers reported the synthesis of 3,4-ethylenedioxythiophene (EDOT) tethered symmetrical benzo[c]thiophene derivative, 20 and also reported the ...