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dc.contributorWichita State University. Department of Chemistryen_US
dc.contributor.authorBurns, Dennis H.en_US
dc.contributor.authorMeece, Frederick A.en_US
dc.contributor.authorMoore, Curtis E.en_US
dc.contributor.authorEichhorn, David M.en_US
dc.date.accessioned2012-02-06T17:15:22Z
dc.date.available2012-02-06T17:15:22Z
dc.date.issued2009-01-01en_US
dc.identifier19129605en_US
dc.identifier8305826en_US
dc.identifierS0108270108040882en_US
dc.identifier.citationActa crystallographica. Section C, Crystal structure communications. 2009 Jan; 65(Pt 1): o27-30.en_US
dc.identifier.issn1600-5759en_US
dc.identifier.issn0108-2701en_US
dc.identifier.urihttp://dx.doi.org/10.1107/S0108270108040882en_US
dc.identifier.urihttp://hdl.handle.net/10057/4230
dc.descriptionClick on the DOI link below to access the article (may not be free).en_US
dc.description.abstractTwo dibenzo cyclic ether compounds, 6,12-dibromodibenzo[d,i]-1,2,3,6,7,8-hexahydro-1,3-dioxecin (systematic name: 8,16-dibromo-2,4-dioxatricyclo[12.4.0.0(5,10)]octadeca-5,7,9,14,16,18-hexaene), C(16)H(14)Br(2)O(2), (II), and 8,14-dibromodibenzo[f,k]-1,5-dioxa-1,2,3,4,5,8,9,10-octahydrocyclododecene (systematic name: 7,19-dibromo-11,15-dioxatricyclo[14.4.0.0(5,10)]icosa-5,7,9,16,18,20-hexaene), C(18)H(18)Br(2)O(2), (III), were prepared as scaffolding for phosphate-anion receptors. In both compounds, the two aromatic rings are linked by three methylene units ortho to the oxygen substituent of each ring. The only difference between the two compounds is the number of methylene units linking the two ether O atoms. The dibenzo cyclic ether with an ether linkage of one methylene unit adopts a chair-like conformation, where the two aromatic rings are parallel to each other. On the other hand, the dibenzo cyclic ether with an oxygen linkage of three methylene units adopts a bowl-like conformation. The latter scaffold configuration is the only structure of the two that would allow for the placement of convergent functional groups necessary for the establishment of an anion-selective binding pocket.en_US
dc.format.extento27-30en_US
dc.language.isoengen_US
dc.publisherWiley-Blackwellen_US
dc.relation.ispartofseriesActa crystallographica. Section C, Crystal structure communicationsen_US
dc.relation.ispartofseriesActa Crystallogr Cen_US
dc.sourceNLMen_US
dc.titleTwo similar dibenzo cyclic ethers with dissimilar conformationsen_US
dc.typeArticleen_US
dc.coverage.spacialDenmarken_US
dc.description.versionpeer revieweden_US
dc.rights.holderCopyright © 2009 International Union of Crystallographyen_US


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