Synthesis and Extraction Studies of a Versatile Calix[4]arene-Based "Proton-switchable Extractant" for Toxic Metals and Dichromate Anions

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dc.contributor.authorTabakcı, Mustafa
dc.contributor.authorMemon, Shahabuddin
dc.contributor.authorYılmaz, Mustafa
dc.contributor.authorRoundhill, D. Max
dc.date.accessioned2020-03-26T16:46:07Z
dc.date.available2020-03-26T16:46:07Z
dc.date.issued2003
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe article describes the syntheses and extraction properties of a new calixarene based extractant 5, which has been synthesized from 5,11,17,23-tetra-tert-butyl-25,27-bis(chlorocarbonyl-methoxy)-26,28-dihydroxycalix[4]arene (4) by treatment with isoniazid (isonicotinic acid hydrazide) in the presence of pyridine. The compound 5 was converted to its methyl iodide salt (6) by refluxing 5 with methyl iodide in acetonitrile. In this synthesis it was thought to explore the role of pyridinium sites in the extraction of HCr2O7-/Cr2O72- anions. The complexing properties of 5 toward selected alkali/transition metal cations and HCr2O7-/Cr2O72- anions are reported. It has been observed that receptor 5 does not extract alkali metal cations but shows an excellent selectivity toward transition metals. The protonated pyridinium form of 5 is an effective form for transferring the HCr2O7-/Cr2O72- anions from an aqueous into a dichloromethane layer.en_US
dc.identifier.citationTabakcı, M., Memon, S., Yılmaz, M., Roundhill, D. M., (2003). Synthesis and Extraction Studies of a Versatile Calix[4]arene-Based "Proton-switchable Extractant" for Toxic Metals and Dichromate Anions. Journal of Inclusion Phenomena and Macrocyclic Chemistry, 45(3-4), 265-270.
dc.identifier.endpage270en_US
dc.identifier.issn1388-3127en_US
dc.identifier.issn1573-1111en_US
dc.identifier.issue3-4en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage265en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/18574
dc.identifier.volume45en_US
dc.identifier.wosWOS:000183943500013en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorTabakcı, Mustafa
dc.institutionauthorMemon, Shahabuddin
dc.institutionauthorYılmaz, Mustafa
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of Inclusion Phenomena and Macrocyclic Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectCalixareneen_US
dc.subjectSolvent extractionen_US
dc.subjectAlkali and transition metalsen_US
dc.subjectDichromate anionsen_US
dc.titleSynthesis and Extraction Studies of a Versatile Calix[4]arene-Based "Proton-switchable Extractant" for Toxic Metals and Dichromate Anionsen_US
dc.typeArticleen_US

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