Novel [2]pseudorotaxanes constructed by self-assembly of bis-urea-functionalized pillar[5]arene and linear alkyl dicarboxylates |
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| Authors: | Qunpeng Duan Wei Xia Xiaoyu Hu Mengfei Ni Juli Jiang Chen Lin Yi Pan Leyong Wang |
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| Institution: | Key Laboratory of Mesoscopic Chemistry of MOE, Center for Multimolecular Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China. lywang@nju.edu.cn. |
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| Abstract: | A bis-urea-functionalized pillar5]arene has been synthesized and shown to form 2]pseudorotaxanes spontaneously with linear alkyl dicarboxylates in highly polar solvent DMSO, in which the hydrogen bonding interactions between the bis-urea hydrogens and dicarboxylate oxygens play an important role in stabilizing the novel 2]pseudorotaxanes alongside C-Hπ interactions. |
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