Colorimetric Sensing of Fluoride Ion by New Expanded Calix[4]pyrrole through Anion−π Interaction
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Three new expanded calix[4]pyrroles were synthesized, where the two dialkylldipyrromethane units are linked via C–C double bonds. One of them, calix[2]bispyrrolylethene, colorimetrically senses fluoride ion only, owing to anion−π interaction in polar aprotic solvents.
创建时间：
2016-02-22
