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(E)-3-(meso-Octamethylcalix[4]pyrrol-2-yl)propenal: a versatile precursor for calix[4]pyrrole-based chromogenic anion sensors
Journal article   Peer reviewed

(E)-3-(meso-Octamethylcalix[4]pyrrol-2-yl)propenal: a versatile precursor for calix[4]pyrrole-based chromogenic anion sensors

Andreia S. F. Farinha, Augusto C. Tome and Jose A. S. Cavaleiro
Tetrahedron letters, Vol.51(16), pp.2184-2187
21/04/2010
DOI: https://doi.org/10.1016/j.tetlet.2010.02.091

Abstract

Chemistry Chemistry, Organic Physical Sciences Science & Technology
The synthesis of (E)-3-(meso-octamethylcalix[4]pyrrol-2-yl)propenal and its use in Knoevenagel reactions are described. The resulting compounds display sharp changes in color in the presence of fluoride, acetate, and dihydrogen phosphate anions. (C) 2010 Elsevier Ltd. All rights reserved.

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