Synthesis and self-assembly of novel calix[4]arenocrowns: formation of calix[4]areno[2]catenanes |
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| Authors: | Lin-Gang Lu Zhi-Tang Huang |
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| Affiliation: | Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | A series of novel calix[4]arenocrowns 1a-c were efficiently synthesized by a one-pot reaction of calix[4]monohydroquinone diacetate 5 with ditosylate 6 and its analogues in the presence of sodium hydroxide. It was found that the calix[4]arenocrowns could form stable pseudorotaxane-type complexes 2a-c with paraquat, and further self-assemble into calix[4]areno[2]catenanes 3a-c with dicationic salt 8 and p-bis(bromomethyl)benzene. |
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| Keywords: | Calix[4]arenocrown Synthesis Self-assembly Calix[4]areno[2]catenane |
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