Synthesis and characterization of novel indole-containing half-crowns as new emissive metal probes |
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| Authors: | Angelo Rocha Carlos Lodeiro |
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| Institution: | a REQUIMTE-CQFB, Departamento de Química, Faculdade de Ciências e Tecnologia, Univeridade Nova de Lisboa, Quinta da Torre, 2829-516 Monte de Caparica, Portugal
b BIOSCOPE Research Group, Faculty of Science, Physical-Chemistry Department, Campus of Ourense, University of Vigo, E-32004 Ourense, Spain |
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| Abstract: | Two new indole derivatives have been synthesized by a one-pot procedure and their potential as fluorescence probes for metal ions was investigated. The sensor capability of 1 and 2 toward cations such as Ag+, Cu2+, Zn2+, Cd2+, Pb2+, and Hg2− was studied in dichloromethane solution by absorption, fluorescence emission, and 1H NMR titrations. Both probes showed selectivity for Ag+ and Hg2+ ions. The results suggest that these compounds may serve as promising models for future design of novel and more potent sensors. |
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| Keywords: | Indole Chemosensors Silver(I) Half-crown |
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