Anion recognition by alpha-arylazo-N-confused calix[4]pyrroles.

Org Biomol Chem

Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium.

Published: August 2005

The first example of substitution reaction in the free alpha-position of N-confused calix[4]pyrroles is reported: azo-coupling with various arenediazonium salts. The obtained azocompounds were used for studies of their anion-binding properties by UV-Vis spectroscopy.

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http://dx.doi.org/10.1039/b507508dDOI Listing

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