Anion recognition by alpha-arylazo-N-confused calix[4]pyrroles |
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| Authors: | Gu Rong Depraetere Stefaan Kotek Jan Budka Jan Wagner-Wysiecka Ewa Biernat Jan F Dehaen Wim |
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| Institution: | Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium. |
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| Abstract: | The first example of substitution reaction in the free alpha-position of N-confused calix4]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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