A new fluorescent double-cavity calix[4]arene: synthesis and complexation studies toward nitroanilines |
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| Authors: | Carlos M Teixeira Alexandra I CostaJosé V Prata |
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| Institution: | Laboratório de Química Orgânica, Departamento de Engenharia Química and Centro de Investigação de Engenharia Química e Biotecnologia, Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, R. Conselheiro Emídio Navarro, 1, 1959-007 Lisboa, Portugal |
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| Abstract: | A novel bicyclic calix4]arene (4) molecular receptor has been synthesized, and its sensory abilities toward noxious aromatic nitroamines evaluated in apolar media. Molecular host–guest interactions examined through fluorescence and 1H NMR spectroscopies showed the formation of 1:1 type endo-inclusion complexes with all the nitroaniline guests. The potential of 4 as a chemical sensor is established. |
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| Keywords: | Calix[4]arene Molecular recognition Nitroanilines Fluorescence Sensor |
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