Anion binding, recognition and separation by urea-based receptors

Mei Ying Wei, Shao Guang Li, Chuan Dong Jia, Biao Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Anion coordination chemistry has attracted much attention because anions play important roles in biology, medicine, catalysis, and environmental science. A large number of anion receptors that employ ureas, amides, indoles, pyrroles and other groups as the binding sites have been reported. Urea can be used as an effective unit to build anion receptors because of its ability of binding anions by donating two parallel hydrogen bonds to oxoanions. Thus the urea-based receptors have been greatly explored in recent years. By proper functionalization of urea-based receptors, they are supposed to be applied in environmental monitoring, membrane transporters, organocatalysis, supramolecular gelation and soft materials. This review highlights the developments of anion binding, recognition and separation by mono-, di-, and poly-ureas, and metal-assisted urea-containing receptors in recent years.

Original languageEnglish
Pages (from-to)1939-1949
Number of pages11
JournalKao Teng Hsueh Hsiao Hua Heush Hsueh Pao/ Chemical Journal of Chinese Universities
Volume32
Issue number9
Publication statusPublished - Sept 2011
Externally publishedYes

Keywords

  • Anion receptor
  • Binding
  • Recognition
  • Separation
  • Urea

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