期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 788, 期 -, 页码 17-26出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2015.04.003
关键词
Ferrocenyl; Anion receptor; Fluoride detection; Electrochemistry; UV-vis; H-1 NMR titration
资金
- National Natural Science Foundation of China [21202019, 21372043]
- Research Fund for the State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences [20120010]
The reaction of ferrocenecarboxaldehyde with (2-aminoethoxy) diphenylborane led to the formation of ferrocenyl-substituted boronate receptor 1, which was characterized by IR, MS, HRMS, B-11, H-1 and C-13 NMR spectra. The signaling process was confirmed by UV-vis, electrochemistry measurements as well as H-1 and F-19 NMR spectroscopy. The receptor 1 exhibited high selectivity for F- in CH3CN solution over all the other anions in the DPVs (differential pulse voltammetry). H-1 NMR titrations indicated that F- ion induced tautomerism of E-and Z-isomer transformations of the receptor 1 and there were three kinds of protons showing obvious highfield shifts for receptor 1 in DMSO-d(6). UV-vis titrations demonstrated that the receptor 1 could bind F- ion forming 1: 1 stoichiometric complexes and show high selectivity and sensitivity towards F- ion. (C) 2015 Elsevier B.V. All rights reserved.
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