| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1309453 | Inorganica Chimica Acta | 2014 | 5 Pages |
•Cyclic and acyclic naphthalene-containing triazoles were synthesized.•Both receptors show distinctive fluorescent sensing to Hg(II).•Cyclic receptor shows better sensitivity and selectivity than acyclic compound.•The binding mechanism was investigated by 1H NMR spectrum and DFT calculation.
A new naphthalene-containing macrocyclic triazole (1) and its acyclic compared compound (2) have been synthesized and characterized. In acetonitrile and acetonitrile aqueous solutions, 1 and 2 showed good fluorescence sensing ability to Hg2+ over other metal ions, with 1 exhibiting better sensitivity and selectivity than 2 owing to its macrocyclic effect. 1H NMR titrations and DFT calculation results showed that the N atoms of triazole and O atoms of the ether groups in 1 and 2 participate in binding during complexation with Hg2+.
Graphical abstractA new naphthalene-containing macrocyclic triazole and its acyclic compared compound for fluorescence recognition of Hg2+ are reported.Figure optionsDownload full-size imageDownload as PowerPoint slide
