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Formation of water-soluble sulfonated azacalix[4]arenes from cyanuric chloride |
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| Authors: | Jonathan Clayden Stephen J.M. Rowbottom Warren J. Ebenezer |
| Affiliation: | a School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK b DyStar UK Ltd, School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK |
| Abstract: | Addition of cyanuric chloride 2 (2,4,6-trichlorotriazine) to 4,6-diaminobenzene-1,3-disulfonic acid 1 gives a bis-triazine 3 which may be cyclised with diaminoarenes to yield water-soluble azacalix[4]arenes 5a-d. Alternatively, double substitution of chloride from the bis-triazine 3 yields new bis-triazine derivatives which may likewise be cyclised to functionalised azacalixarenes bearing functionalised side chains. |
| Keywords: | Calixarene Triazine Sulfonic acid Water-soluble Macrocycle Cyanuric chloride |
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