Synthesis and metal cation complexing properties of crown-annelated terthiophenes containing 3,4-ethylenedioxythiophene |
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| Authors: | Demeter Dora Blanchard Philippe Allain Magali Grosu Ion Roncali Jean |
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| Affiliation: | Groupe Systèmes Conjugués Linéaires, CIMMA, CNRS UMR 6200, Université d'Angers, 2 Boulevard Lavoisier F- 49045, Angers, Cedex France. |
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| Abstract: | Macrocyclic systems derived from crown-annelated terthiophene involving a median EDOT unit have been synthesized by coupling diiodooligooxyethylene chains and bis(2-cyanoethylsulfanyl)terthiophene under high dilution conditions. The metal cation complexing properties of the compounds have been analyzed using 1H NMR, UV-vis spectroscopy, and cyclic voltammetry. These various experiments provide consistent results showing that one of the compounds exhibits interesting complexing properties for Pb2+. |
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