Making molecular-necklaces from rotaxanes

Sheng Hsien Chiu, Stuart J. Rowan, Stuart J. Cantrill, Ludek Ridvan, Peter R. Ashton, Robin L. Garrell, J. Fraser Stoddart

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


During an attempt to synthesize polyrotaxanes by Wittig step-growth polymerization between a dibenzylic bis(triphenylphosphonium)-stoppered [2]rotaxane, with an NH2+ recognition site encircled by a DB24C8 ring, and appropriate derivatives of terephthaldehyde carrying bulky groups, large macrocyclic compounds with the topologies of catenanes and molecular-necklaces, are formed.

Original languageEnglish (US)
Pages (from-to)807-814
Number of pages8
Issue number4
StatePublished - Jan 21 2002


  • Molecular recognition
  • Molecular-necklaces
  • Rotaxanes
  • Self-assembly
  • Wittig reaction

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry


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