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A series of polyamide receptor based PET fluorescent sensor molecules: positively cooperative Hg2+ ion binding with
1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China.
Organic Letters
|August 11, 2006
Abstract:
[structure: see text] A series of PET fluorescent sensor molecules were designed and synthesized based on BODIPY fluorophore and polyamide receptors. Comparison of the photophysical properties of these sensor molecules, equipped with di-, tri-, and tetraamide receptor, provided a deep insight into the polyamide-Hg2+ interactions, and an unusual positively cooperative tetraamide-Hg2+ complexation was disclosed. In addition, sensor S3 displayed several favorable sensing properties.
