Synthesis, structural characterization and metal inclusion properties of 18-, 20- and 22-membered oxaazacyclophanes and oxaazacalix[4]arene analogues: Macrocyclic amine and schiff base receptors with variable NxO y donor sets

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Abstract

A series of oxaazacyclophanes and oxaazacalix[4]arene analogues with 18-, 20- and 22-membered rings have been synthesized from diamine and dialdehyde building blocks and structurally characterized by spectroscopic methods. One diamine precursor and four macrocycles have additionally been analysed by single-crystal X-ray diffraction. Two of the oxaazacalix[4]arene analogues were employed for metal ion complexation studies based on UV/Vis absorption spectroscopy, showing both compounds to be able to form complexes with Cu 2+ and Zn2+.

Original languageEnglish
Pages (from-to)2148-2162
Number of pages15
JournalEuropean Journal of Organic Chemistry
Issue number11
DOIs
StatePublished - Apr 2011

Keywords

  • Calixarenes
  • Cyclophanes
  • Macrocycles
  • Metal complexes
  • Schiff bases

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