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Aza-tricycles containing a perfluoroalkyl group: synthesis, structure and fluorescence
Qiang Fu1, Rui Wang, Fushun Liang
1Department of Chemistry, Northeast Normal University, Changchun 130024, China. guanw580@nenu.edu.cn.
Abstract:
Perfluoroalkyl-containing aza-tricycles have been prepared in one synthetic operation via an ambient light-promoted three-component reaction of β-oxo esters, perfluoroalkyl iodide and DBU. Intramolecular C-FO and double C-HF weak interactions and intermolecular C-HO and C-Hπ hydrogen bondings were observed partly due to the incorporation of the perfluoroalkyl group. The perfluoroalkylated non-planar aza-tricycles exhibit interesting room-temperature AIE fluorescence and acid-induced fluorescence enhancement characters.
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