EDOT-Functionalized Calix[4]pyrrole for the Electrochemical Sensing of Fluoride in Water

Organic Letters


Abdullah Aydogan, Atıf Koca, M. Kasım Şener, Jonathan L. Sessler


A new calix[4]pyrrole compound bearing an electropolymerizable EDOT substituent (1) was synthesized, and its electrochemical behavior was investigated. The anion sensor ability of 1 was also studied in solution and in the solid state. Compound 1 interacts with halide ions selectively in solution, which illustrates its possible application as an anion sensor. To test possible practical applications, 1 and EDOT were electropolymerized on an ITO electrode, and this electrode was used as an effective fluoride anion sensor in the solid state.

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