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Guillon, J., Léger, J.M., Sonnet, P., Jarry, C. and Robba, M. (2000) Synthesis of Cone, Partial-Cone, and 1, 3-alternate 25, 27-bis [1-(2-ethyl) hexyl]-and 25, 27-bis [1-(2-tert-butoxy) ethyl] calix[4]arene-crown-6 Conformers as Potential Selective Cesium Extractants. The Journal of Organic Chemistry, 65, 8283-8289.
https://doi.org/10.1021/jo001023z
has been cited by the following article:
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TITLE:
Synthesis and Extraction Studies of Calix[4]-Crown-4 Oxime Derivatives
AUTHORS:
Gülderen Uysal Akkuş, Selma Aslan
KEYWORDS:
Calix[4]Arene, Calixcrown, Calix-Oxime, Ion Exchange, Liquid-Liquid Extraction
JOURNAL NAME:
International Journal of Organic Chemistry,
Vol.7 No.4,
October
26,
2017
ABSTRACT: The article comprises synthesis of calyx[4]-oxa-crown, and calix[4]-thia-crown compounds containing
nitrile groups (3a, 3b) and amino groups (4a, 4b) and their
corresponding oxime derivatives (5a, 5b) and liquid-liquid extraction
studies of these compounds. The oxime derivatives of compounds (5a, 5b)
have been synthesized by reacting of di-n-butylamino derivatives of calix[4]-oxa-crown,
and calix[4]-thia-crown compounds (4a, 4b) with amphi-chloroglyoxime in
methanol-THF. Their cation and anion transfer studies were performed by using
liquid-liquid extraction procedure. It has been concluded from the observations
that the compound 3a shows a good extraction behavior toward Na+ ion in the presence of other metal cations. Whereas, its oxime derivatives
transfers all of the metal cations used in the liquid-liquid extraction
studies.