Self-assembly of a [2]Pseudorotaxane Composed of Cucurbit[6]uril into Linear Pseudopolyrotaxanes by N–H···O, C–H···O and π···π Interactions |
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| Authors: | FANG-JUN HUO CAI-XIA YIN PIN YANG |
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| Affiliation: | (1) Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, 030006 Taiyuan, P.R. China |
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| Abstract: | The [2]pseudorotaxane of cucurbit[6]uril (Q6) with 1,6-bis(imidazol-1-yl)hexane dihydrobromide was synthesized and its crystal structure was described. The structure of [2]pseudorotaxane was mainly stablized by host–guest C–H···O interactions. Self-assembly of the [2]pseudorotaxane produces infinite one-dimensional chains with intermolecular N–H···O, C–H···O, and π···π interactions; thus, a linear non-covalent pseudopolyrotaxane is formed. |
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| Keywords: | cucurbituril host– guest chemistry pseudorotaxane self-assembly |
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