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Please use this identifier to cite or link to this item: https://doi.org/10.1021/ol034424k
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dc.titleVariable ion selectivity in [n.3.3](1,3,5)crownophanes: The "breathing" process
dc.contributor.authorXu, J.
dc.contributor.authorLai, Y.-H.
dc.contributor.authorWang, W.
dc.date.accessioned2014-06-23T05:53:55Z
dc.date.available2014-06-23T05:53:55Z
dc.date.issued2003-08-07
dc.identifier.citationXu, J., Lai, Y.-H., Wang, W. (2003-08-07). Variable ion selectivity in [n.3.3](1,3,5)crownophanes: The "breathing" process. Organic Letters 5 (16) : 2781-2784. ScholarBank@NUS Repository. https://doi.org/10.1021/ol034424k
dc.identifier.issn15237060
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/77347
dc.description.abstract(Matrix presented) A series of dithia[n.3.3](1.3.5)crownophanes were synthesized by cesium carbonate-assisted intramolecular cyclization reactions in 10-31% yields. Their complexation behavior exhibits an unusual ion-selectivity preference due to the presence of a "breathing" process of the dithia[3.3]metacyclophane moiety, which indirectly controls the ion selectivity through the adjustment of the cavity size of the crown unit. This breathing mechanism is also supported by observation made in X-ray crystallographic analysis.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ol034424k
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1021/ol034424k
dc.description.sourcetitleOrganic Letters
dc.description.volume5
dc.description.issue16
dc.description.page2781-2784
dc.identifier.isiut000184499600005
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