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Nitrophenyl derivatives of pyrrole 2,5-diamides: structural behaviour, anion binding and colour change signalled deprotonationElectronic supplementary information (ESI) available: 1H NMR, 13C NMR and mass spectra for compounds 2 and 3, NMR anion titration profiles in DMSO-d6–0.5% water. See http://www.rsc.org/suppdata/ob/b2/b210848h/

2003; Royal Society of Chemistry; Volume: 1; Issue: 4 Linguagem: Inglês

10.1039/b210848h

1477-0539

Salvatore Camiolo, Philip A. Gale, Michael B. Hursthouse, Mark E. Light,

Porphyrin and Phthalocyanine Chemistry

Two new pyrrole 2,5-diamide clefts have been synthesized containing 4-nitrophenyl or 3,5-dinitrophenyl groups appended to the amide positions. The 3,5-dinitrophenyl derivative has been shown to deprotonate in the presence of fluoride, which in acetonitrile solution, gives rise to a deep blue colour.