Ring-Enlarged Dibenzo-Crown-6 Ethers. Cation Binding and X-Ray Crystal Structure of Dibenzo-22-Crown-6

dc.contributor.authorM. Ouchi,en
dc.contributor.authorT. Araki,en
dc.contributor.authorT. Hakushi,en
dc.contributor.authorM. E. Sobhia,en
dc.contributor.authorK. K. Chacko,en
dc.contributor.authorK. Skobridisen
dc.contributor.authorE. Weberen
dc.date.accessioned2015-11-24T16:46:31Z
dc.date.available2015-11-24T16:46:31Z
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9080
dc.rightsDefault Licence-
dc.titleRing-Enlarged Dibenzo-Crown-6 Ethers. Cation Binding and X-Ray Crystal Structure of Dibenzo-22-Crown-6en
heal.abstractThe cation binding of dibenzo-20-crown-6 (2) and dibenzo-22-crown-6 (3) are determined by quantitative solvent extraction study. Compound 3 shows high Tl+/K+ and Tl+/Rb+ selectivity. The crystal structure of 3 is reported. Crystal data: monoclinic (P21/c), a = 7.328(1), b = 17.395(4), c = 8.939(1) Γ…, Ξ² = 102.78(1)Β°, Z = 2, R = 0.049 for 2122 reflections. The macrocycle shows a crystallographic center of symmetry with elliptical arrangement of the heteroatoms stabilized by possible C-HΒ·Β·Β·O dipolar attractions.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryhttp://dx.doi.org/10.1246/bcsj.66.2309-
heal.identifier.secondaryhttps://www.jstage.jst.go.jp/article/bcsj/66/8/66_8_2309/_article-
heal.journalNameBulletin of the Chemical Society of Japanen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate1993-
heal.publisherThe Chemical Society of Japanen
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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