Colorimetric sensing of fluoride ion by new expanded calix[4]pyrrole through anion-π interaction
Colorimetric sensing of fluoride ion by new expanded calix[4]pyrrole through anion-π interaction
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Date
2012-01-20
Authors
Mahanta, Sanjeev P.
Kumar, B. Sathish
Baskaran, Sambath
Sivasankar, Chinnappan
Panda, Pradeepta K.
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Abstract
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. © 2011 American Chemical Society.
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Organic Letters. v.14(2)