Anion receptors based on 4-nitrophenylhydrazone

Jaeyoung Jo, Raghunath Putikam, Ming-Chang Lin*, Jongmin Kang

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

We have designed and synthesized new chromogenic anion receptors 1 and 2, which utilized 4-nitrophenylhydrazone as anion recognition moiety. UV–vis and1H NMR titration showed that receptors 1 and 2 bound anions utilizing two hydrazone N–H hydrogen bond and two C–H hydrogen bond. Despite the weak hydrogen bonding abilities of binding motifs, receptor 1 showed affinities for dihydrogen phosphate and acetate and receptor 2 showed relatively strong affinities for dihydrogen phosphate in polar solvent such as 5% DMSO in CH3CN.

Original languageEnglish
Pages (from-to)3208-3214
Number of pages7
JournalTetrahedron Letters
Volume57
Issue number29
DOIs
StatePublished - 1 Jan 2016

Keywords

  • Anion receptor
  • C–H hydrogen bond
  • Hydrazone

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