Colorimetric macrocyclic anion probes bearing nitrophenylurea and nitrophenylthiourea binding groups

A. Aldrey, Verónica García, C. Lodeiro, Alejandro Macías, P. Pérez-Lourido, Laura Valencia, Rufina Bastida, Cristina Núñez

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Two novel molecular probes bearing two urea (sensor 1) or thiourea (sensor 2) groups (as anion recognition site) coupled with a nitrophenyl group (chromogenic unit) were synthesized and evaluated according to the binding site-signaling subunit approach. The behavior of these different compounds toward metal ions (Co2+, Ni2+, Cu2+, Zn 2+, and Cd2+) and anions (F-, Cl-, Br-, I-, ClO4-, NO3 -, CN-, OH-, CH3COO-, and H2PO4-) was investigated by UV-vis spectroscopy in DMSO. © 2013 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)4578-4585
Number of pages8
JournalTetrahedron
Volume69
Issue number23
DOIs
Publication statusPublished - 10 Jun 2013

Keywords

  • Anion sensor
  • Azo
  • Cation sensor
  • Colorimetric
  • Deprotonation
  • Ditopic receptor
  • Macrocycle
  • Naked eye
  • NMR
  • Thiourea
  • Urea
  • anion
  • bromide
  • cadmium
  • chloride
  • cobalt
  • copper ion
  • dimethyl sulfoxide
  • iodide
  • iron
  • macrocyclic compound
  • metal ion
  • nickel
  • nitrite
  • nitrophenylthiourea
  • nitrophenylurea
  • thiourea derivative
  • unclassified drug
  • zinc ion
  • article
  • binding site
  • chemical interaction
  • chemical reaction
  • chemical structure
  • colorimetry
  • hydrogen bond
  • molecular probe
  • priority journal
  • sensor
  • synthesis
  • ultraviolet spectroscopy

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