Tetrahedron letters

New amino-functionalized 1, 3-alternate calix [4] arene bis-and mono-(benzo-crown-6 ethers) for pH-switched cesium nitrate extraction

MG Gorbunova, PV Bonnesen, NL Engle, E Bazelaire…

Index: Gorbunova, Maryna G.; Bonnesen, Peter V.; Engle, Nancy L.; Bazelaire, Eve; Delmau, Laetitia H.; Moyer, Bruce A. Tetrahedron Letters, 2003 , vol. 44, # 29 p. 5397 - 5401

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Citation Number: 29

Abstract

Four calix [4] arene benzo-crown-6 ethers functionalized with primary amine groups in various positions have been synthesized. The cesium extraction behavior under alkaline and acidic conditions has been measured for these compounds and compared with that of ...