Hetero type III-B rotaxane dendrimers

Chak Shing Kwan, Ken C F LEUNG*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Type III-B rotaxane dendrimer is a member of the rotaxane dendrimer family, but it is defined as dendritic polyrotaxane, branched through rings. Such rotaxane dendrimers have been synthesized through versatile copper-catalyzed azide-alkyne cycloaddition reactions. In order to incorporate more functionalities into type III-B rotaxane dendrimers, three different potential functionalities—azobenzene toward light switch, daisy chain toward higher degree of contraction, and extension and cyclobis (paraquat-p-phenylene) (CBPQT) toward redox chemistry—were combined into the original design of type III-B rotaxane dendrimers. Two azo-based G1/G2 and four new G1 and G2 hetero type III-B rotaxane dendrimers were synthesized and characterized by 1H NMR spectroscopy and electrospray ionization mass spectrometry.

Original languageEnglish
Pages (from-to)1734-1741
Number of pages8
JournalJournal of the Chinese Chemical Society
Volume67
Issue number10
DOIs
Publication statusPublished - 1 Oct 2020

Scopus Subject Areas

  • Chemistry(all)

User-Defined Keywords

  • azobenzene
  • daisy chain
  • dendrimer
  • paraquat
  • rotaxane

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