Improved selectivity for Pb(ii) by sulfur, selenium and tellurium analogues of 1,8-anthraquinone-18-crown-5: synthesis, spectroscopy, X-ray crystallography and computational studiesElectronic supplementary information (ESI) available: Crystallographic characterization data, NMR, MS, and tables of atom coordinates with absolute energy, cyclic voltammetry, and spectroscopic data are available for free of charge. CCDC 980449-980454. For ESI and crystallographic data in CIF or other electronic forma
We report here a series of heteroatom-substituted macrocycles containing an anthraquinone moiety as a fluorescent signaling unit and a cyclic polyheteroether chain as the receptor. Sulfur, selenium, and tellurium derivatives of 1,8-anthraquinone-18-crown-5 ( 1 ) were synthesized by reacting sodium s...
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