Synthesis of two calix[4]arene diamide derivatives for extraction of chromium(VI)

dc.contributor.authorBozkurt, S
dc.contributor.authorKarakucuk, A
dc.contributor.authorSirit, A
dc.contributor.authorYilmaz, M
dc.date.accessioned2020-03-26T16:58:05Z
dc.date.available2020-03-26T16:58:05Z
dc.date.issued2005
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe synthesis of four diamide derivatives of the p-tert-butylcalix[4]arenes from the reaction of 5,11,17,23-tetra-tert-butyl-25,27diethoxycarbonylmethoxy-26,28-dihydroxycalix[4]arene 2 with various primary amines were reported. The H-1 and C-13 NMR, data showed that the synthesized compounds exist in the cone conformation. The complexing properties of these compounds toward Cr2O72-/HCr2O7- anions are also studied. It has been observed that receptors 5 and 6 are better extractant than the compounds 3 and 4. The protonated alkyl ammonium form of 5 and 6 is an effective extractant for transferring HCr2O7-/Cr2O72- anions from an aqueous phase into a dichloromethane layer. (c) 2005 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.tet.2005.08.072en_US
dc.identifier.endpage10448en_US
dc.identifier.issn0040-4020en_US
dc.identifier.issue44en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage10443en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.tet.2005.08.072
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19900
dc.identifier.volume61en_US
dc.identifier.wosWOS:000232572000002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPERGAMON-ELSEVIER SCIENCE LTDen_US
dc.relation.ispartofTETRAHEDRONen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectcalix[4]areneen_US
dc.subjectdichromate anionsen_US
dc.subjectsolvent extractionen_US
dc.subjectdiamideen_US
dc.titleSynthesis of two calix[4]arene diamide derivatives for extraction of chromium(VI)en_US
dc.typeArticleen_US

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