Selectivity in redox-switched calix[4]arene cationophores: electrochemical detection of a conformational change on cation binding

Autor:	Domenico C. Cupertino, Gary Dougherty, Donald Bethell
Rok vydání:	1995
Předmět:	Cation binding Conformational change Sodium Potassium Inorganic chemistry chemistry.chemical_element Redox Anthraquinone chemistry.chemical_compound chemistry Polymer chemistry Calixarene Molecular Medicine sense organs Selectivity
Zdroj:	Journal of the Chemical Society, Chemical Communications. :675
ISSN:	0022-4936
DOI:	10.1039/c39950000675
Popis:	Three 4-tert-butylcalix[4]arenes bearing a 1,8-bis(ethyleneoxy)anthraquinone bridge between alternate phenolic oxygen atoms, on one-electron reduction, show enhanced binding of alkali-metal cations with selectivities dependent upon the groups attached at the other phenolic oxygens; for one of the compounds, binding of potassium but not sodium is accompanied by a conformational change of the calixarene from cone to partial cone.
Databáze:	OpenAIRE
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