Vinylenedioxythiophene VDOT and Benzo-EDOT

These oligomers can, in spite of their low solubility and in contrast to the monomeric PheDOT, be readily electropolymerized. Theoretical calculations show a low reactivity of the PheDOT+ cation radical. The extension of the conjugated chain leads to a distribution of the singly occupied molecular orbital (SOMO) more similar to that of EDOT oligomers. 

Oligomers from benzo-EDOT (PheDOT). (Data from I. F. Perepichka, S. Roquet, P. Leriche, J.-M. Raimundo, P. Frere, and J. Roncali, 2006, Chem Eur 12(ll) 2960-2966.) 

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