4.8 Article

Novel Pillar[5]arene-Based Dynamic Polyrotaxanes Interlocked by the Quadruple Hydrogen Bonding Ureidopyrimidinone Motif

Journal

ORGANIC LETTERS
Volume 14, Issue 18, Pages 4826-4829

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol302149t

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Funding

  1. National Natural Science Foundation of China [20932004, 21072093]
  2. National Basic Research Program of China [2011CB808600]
  3. Natural Science Foundation of Jiangsu [BK2011055]

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Novel dynamic polyrotaxanes constructed from pillar[5]arenes as wheels and diamines as axles have been successfully synthesized in good yield using quadruple hydrogen bonding ureidopyrimidinone (UPy) motifs, which play a dual role as the end-capping and interlocking units. The present study is the first example of noncovalent bonded dynamic polyrotaxanes constructed by multiple hydrogen bonding interactions.

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