Polymer supported calix[4]arene Schiff bases: A novel chelating resin for Hg2+ and dichromate anions

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dc.contributor.authorKarakucuk, A
dc.contributor.authorKocabas, E
dc.contributor.authorSirit, A
dc.contributor.authorMemon, S
dc.contributor.authorYilmaz, M
dc.contributor.authorRoundhill, DM
dc.date.accessioned2020-03-26T16:57:44Z
dc.date.available2020-03-26T16:57:44Z
dc.date.issued2005
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThis article describes the synthesis and characterization of two new calix[4] arene Schiff bases and their polymeric resins. The extraction properties of these "proton switchable extractants" with alkali, transition, post transition metal cations and for dichromate anions are reported. The two new calix[4] arene based Schiff bases (5 and 6) have been synthesized from 5,17-diformyl-25,27-dipropoxy-26,28-dihydroxycalix[4]arene (4) by treatment with 3-amino-methylpyridine and 1,8-diaminooctane in two separate reaction flasks following the same procedure. Compounds 5 and 6 have been appended to a polymeric resin by treatment with Merrifield resin through a nucleophilic substitution reaction. The receptor compounds (3 and 5-8) do not extract alkali metal cations, but show some selectivity toward transition metal cations, and a particularly high selectivity to Hg2+ and Pb2+. The protonated forms of all of the calixarene-based receptors are good extractants for transferring Cr2O72-/HCr2O7- anions from an aqueous into a dichloromethane layer.en_US
dc.identifier.doi10.1081/MA-200058629en_US
dc.identifier.endpage704en_US
dc.identifier.issn1060-1325en_US
dc.identifier.issue6en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage691en_US
dc.identifier.urihttps://dx.doi.org/10.1081/MA-200058629
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19838
dc.identifier.volumeA42en_US
dc.identifier.wosWOS:000229998900002en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTAYLOR & FRANCIS INCen_US
dc.relation.ispartofJOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRYen_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.subjectMerrifield resinen_US
dc.subjectSchiff baseen_US
dc.subjectproton-switchableen_US
dc.subjectdichromate anionsen_US
dc.subjectsolvent extractionen_US
dc.titlePolymer supported calix[4]arene Schiff bases: A novel chelating resin for Hg2+ and dichromate anionsen_US
dc.typeArticleen_US

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