A Convenient and Effective Synthesis of Tris-Bridged Tricationic Azolophanes |
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| Authors: | Yi Yuan Zong-Lin Jiang Jia-Ming Yan Ge Gao Albert S C Chan Ru-Gang Xie |
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| Institution: | 1. Department of Chemistry , Sichuan University , Chengdu, 610064, P. R. China;2. Department of Chemistry , Daxian Teacher's School , Dachuan, 635000, P. R. China;3. Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hong Kong, P. R. China |
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| Abstract: | Two new macrobicyclic imidazolium and benzimidazolium phanes were synthesized by direct quaternization of the corresponding tripodal azacycles with tribromide under high dilution condition in excellent yields. The cyclophanes were identified by 1H-NMR, 13C-NMR, FAB-MS, IR, elemental analysis and X-ray diffraction analysis. |
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