Title of article
Preparation of new azobenzene crown ether p-tert-butylcalix[4]arenes and their roles as switchable ionophores for Na+ and K+ ions
Author/Authors
Bongkot Pipoosananakaton، نويسنده , , Bongkot and Sukwattanasinitt، نويسنده , , Mongkol and Jaiboon، نويسنده , , Nongnuj and Chaichit، نويسنده , , Narongsak and Tuntulani، نويسنده , , Thawatchai، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2000
Pages
6
From page
9095
To page
9100
Abstract
New azobenzene crown ether p-tert-butylcalix[4]arenes (6 and 7) have been synthesized by reductive coupling reactions between two nitrobenzene groups. Their isomerization and switchable binding properties towards Na+ and K+ were studied by 1H NMR spectroscopy. The results showed that Na+ preferred to bind the cis form of 6 while K+ preferred to bind the trans isomer.
Keywords
switchable ionophore , Isomerization , azobenzene , Calixarene
Journal title
Tetrahedron Letters
Serial Year
2000
Journal title
Tetrahedron Letters
Record number
1640029
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