Unprecedented cyclizations of calix[4]arenes with glycols under the Mitsunobu protocol. Part 4. An expedient route to thiacalix[4](aza and thia)crowns

Viktor Csokai, I. Bitter

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The Mitsunobu cyclization of p-t-butylthiacalix[4]arene with glycols was expanded to oligoethylene glycol analogues composed of O, S and N atoms in the chain. In this way a number of 1,3-thiacalix[4]monocrowns have been synthesized, offering simple and general access to a large variety of crowned thiacalixarenes. The binding properties of some ligands towards transition metal cations have been studied by 1H NMR, UV/Vis spectroscopic and potentiometric methods.

Original languageEnglish
Pages (from-to)611-619
Number of pages9
JournalSupramolecular Chemistry
Volume16
Issue number8
DOIs
Publication statusPublished - Dec 2004

Fingerprint

Glycols
Cyclization
Transition metals
Cations
Nuclear magnetic resonance
Ligands
Atoms

Keywords

  • Complexation
  • Cyclizations
  • Glycols
  • Mitsunobu reaction
  • Thiacalix[4](O,S,N)crowns

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

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abstract = "The Mitsunobu cyclization of p-t-butylthiacalix[4]arene with glycols was expanded to oligoethylene glycol analogues composed of O, S and N atoms in the chain. In this way a number of 1,3-thiacalix[4]monocrowns have been synthesized, offering simple and general access to a large variety of crowned thiacalixarenes. The binding properties of some ligands towards transition metal cations have been studied by 1H NMR, UV/Vis spectroscopic and potentiometric methods.",
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T1 - Unprecedented cyclizations of calix[4]arenes with glycols under the Mitsunobu protocol. Part 4. An expedient route to thiacalix[4](aza and thia)crowns

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AU - Bitter, I.

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AB - The Mitsunobu cyclization of p-t-butylthiacalix[4]arene with glycols was expanded to oligoethylene glycol analogues composed of O, S and N atoms in the chain. In this way a number of 1,3-thiacalix[4]monocrowns have been synthesized, offering simple and general access to a large variety of crowned thiacalixarenes. The binding properties of some ligands towards transition metal cations have been studied by 1H NMR, UV/Vis spectroscopic and potentiometric methods.

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KW - Thiacalix[4](O,S,N)crowns

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