Synthesis of 3,4-alkoxythieno[2,3-b]thiophene derivatives. The first block copolymer associating the 3,4-ethylenedioxythieno[2,3-b]thiophene (EDOThT) unit with 3,4-ethylenedioxythiophene (EDOT) moieties |
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Authors: | Hergué Noémie Frère Pierre |
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Affiliation: | CIMMA UMR CNRS 6200, Groupe SCL, Département de Chimie-UFR Science, Université d'Angers, 2 boulevard Lavoisier, 49045, Angers, France. |
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Abstract: | The synthesis of 3,4-alkoxythieno[2,3-b]thiophene derivatives has been developed from the readily accessible dimethyl or diethyl 3,4-dihydroxythieno[2,3-b]thiophenedicarboxylates. The yields for the dialkoxy derivatives were strongly dependent both on the base and the alkylating agent used for the nucleophilic substitutions. A trimer associating the new 3,4-ethylenedioxy-thieno[2,3-b]thiophene unit with 3,4-ethylenedioxythiophene moieties has been synthesized and electropolymerized. |
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