Highly selective naked-eye anion sensors based on thioureido or amido calix[4]arenes

Susan Bartz, Daniel T. Schühle, Joop A. Peters, Jürgen Schatz*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)


Calix[4]arene-thiourea and-tetraamide nakedeye receptors do not show any tendency to self-aggregation and are highly sensitive towards small monoanions; association constants in DMSO for halogenides (chloride to iodide) and HSO4-are <200 m-1. Basic anions deprotonate both receptors leading to a high and selective optical readout. Binding constants for carboxylates, fluoride, and dihydrogen phosphate are three orders of magnitude higher (∼105 m-1) in case of the tetrathiourea receptor.

Original languageEnglish
Pages (from-to)113-118
Number of pages6
JournalZeitschrift fuer Naturforschung. Section B: A Journal of Chemical Sciences
Issue number2
Publication statusPublished - 1 Feb 2016


  • Amide
  • Anion receptor
  • Calix[4]arene
  • Nakedeye sensor
  • Thiourea

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