Two protocols for the preparation of [2]rotaxanes based on the dibenzo-24-crown-8-based cryptand/paraquat recognition motif |
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| Authors: | Xiujuan Wu Min Xue Jinying Li Xuzhou Yan Qizhong Zhou |
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| Institution: | 1. Department of Chemistry, Zhejiang University, Hangzhou 310027, PR China;2. Department of Chemistry, Taizhou University, Taizhou 318000, PR China |
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| Abstract: | Host–guest complexation between a dibenzo-24-crown-8-based cryptand and a paraquat derivative was studied. Subsequently, two novel 2]rotaxanes based on the dibenzo-24-crown-8-based cryptand/paraquat recognition motif were prepared by threading-followed-by-stoppering method and single-pot method, respectively. The obtained mechanically interlocked structures were confirmed by 1H NMR, 13C NMR, 2D NMR, and ESI-MS. |
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| Keywords: | Cryptand Rotaxane Self-assembly Host&ndash guest system Supramolecular chemistry |
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