A new fluorescent double-cavity calix[4]arene: synthesis and complexation studies toward nitroanilines

Teixeira, Carlos M.Costa, AlexandraPrata, José Virgílio2014-09-222014-09-222013-11-27TEIXEIRA, Carlos M.; COSTA, Alexandra I.; PRATA, José V. - A new fluorescent double-cavity calix[4]arene: synthesis and complexation studies toward nitroanilines. Tetrahedron Letters. Vol. 54, nr. 48 (2013), p. 6602-6606.0040-4039http://hdl.handle.net/10400.21/3827Agência Financiadora: Fundação para a Ciência e a Tecnologia/MCTES (Portugal) - PEst-OE/EQB/UI0702/2012A novel bicyclic calix[4]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 H-1 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. (C) 2013 Elsevier Ltd. All rights reserved.engCalix[4]areneMolecular RecognitionNitroanilinesFluorescenceSensorA new fluorescent double-cavity calix[4]arene: synthesis and complexation studies toward nitroanilinesjournal article10.1016/j.tetlet.2013.09.109