Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 3,4-Dimethoxythiophene (2) was synthesized in one-step from readily available bulk chemicals via a ring closure reaction, and was then trans-etherified with ethylene glycol to give 3,4-ethylenedioxythiophene (3) (EDOT). ... 3,4-Dimethoxythiophene was synthesized in one-step from readily ...