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A new and high yielding synthetic route toward 3,4-alkylenedioxy-functionalized pyrroles has been achieved by performing tandem Mitsunobu reactions on diethyl 1-benzyl-3,4-dihydroxypyrrole-2,5-dicarboxylate using a variety of 1,2-alkanediols or 1,3-alkanediols.
An electrochromic material is one where a reversible color change takes place upon reduction (gain of electrons) or oxidation (loss of electrons), on passage of electrical current after the application of an appropriate electrode potential. In this review, the general field of electrochromism is introduced, with coverage of the types, applications, and chemical classes of electrochromic materials...
Poly(3,4-ethylenedioxythiophene) (PEDOT)/poly(2-acrylamido-2-methyl-l-propane sulfonate) (PAMPS) composite films were electrochemically prepared from a mixture of water and N,N-dimethylformamide (DMF) containing 3,4-ethylenedioxythiophene (EDOT) and the polyelectrolyte, PAMPS. The presence of PAMPS in the PEDOT matrix was confirmed by spectroscopic and electrochemical methods. Depending on the current...
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