A trefoil knotted polymer produced through ring expansion

Peng Fei Cao, Joey Mangadlao, Rigoberto Advincula*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


A synthetic strategy is reported for the production of a trefoil knotted polymer from a copper(I)-templated helical knot precursor through ring expansion. The expected changes in the properties of the knotted polymer compared to a linear analogue, for example, reduced hydrodynamic radius and lower intrinsic viscosity, together with an atomic force microscopy (AFM) image of individual molecular knots, confirmed the formation of the resulting trefoil knotted polymer. The strategies employed here could be utilized to enrich the variety of available polymers with new architectures.

Original languageEnglish
Pages (from-to)5127-5131
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number17
Publication statusPublished - 2015 Apr 20
Externally publishedYes


  • copper(I)
  • knotted polymers
  • ring expansion
  • supramolecular chemistry
  • templated complexes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)


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