Title of article :
New proton-ionizable, cesium-selective calix[4]arene-bis(crown-6-ethers) with markedly enhanced extraction efficiency
Author/Authors :
Talanov، نويسنده , , Vladimir S. and Talanova، نويسنده , , Galina G. and Bartsch، نويسنده , , Richard A.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2000
Abstract :
The first 1,3-alternate calix[4]arene-bis(crown-6-ethers) with a proton-ionizable group located in front of one crown ether cavity are synthesized. Compared with an analog that has no proton-ionizable group, the two new ligands possess markedly higher Cs+ extraction efficiency.
Keywords :
Calixarenes , Crown Ethers , Alkali metal cations , Ligand design
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters