Probing the Na+ binding site in a calix[4]areneguanosine conjugate dimer by solid-state 23Na NMR and quantum chemical calculation
Identifieur interne : 000200 ( France/Analysis ); précédent : 000199; suivant : 000201Probing the Na+ binding site in a calix[4]areneguanosine conjugate dimer by solid-state 23Na NMR and quantum chemical calculation
Auteurs : Alan Wong [Canada, France] ; Frank W. Kotch [États-Unis] ; Irene C. M. Kwan [Canada] ; Jeffery T. Davis [États-Unis] ; Gang Wu [Canada]Source :
- Chemical Communications [ 1359-7345 ] ; 2009.
Abstract
Using solid-state 23Na NMR and quantum chemical calculations we have found that the Na+ ion bound to a calix[4]areneguanosine conjugate dimer resides slightly above the G-quartet plane and simultaneously coordinates to a water molecule in a square-pyramidal (penta-coordination) geometry.
Url:
DOI: 10.1039/b900442d
Affiliations:
- Canada, France, États-Unis
- Maryland, Île-de-France
- College Park (Maryland), Gif-sur-Yvette
- Université du Maryland
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Kotch</name><affiliation wicri:level="4"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry and Biochemistry, University of Maryland, MD 20742, College Park</wicri:regionArea><orgName type="university">Université du Maryland</orgName><placeName><settlement type="city">College Park (Maryland)</settlement><region type="state">Maryland</region></placeName></affiliation><affiliation wicri:level="1"><country wicri:rule="url">États-Unis</country></affiliation></author><author wicri:is="90%"><name sortKey="Kwan, Irene C M" sort="Kwan, Irene C M" uniqKey="Kwan I" first="Irene C. M." last="Kwan">Irene C. M. 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Davis</name><affiliation wicri:level="4"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Chemistry and Biochemistry, University of Maryland, MD 20742, College Park</wicri:regionArea><orgName type="university">Université du Maryland</orgName><placeName><settlement type="city">College Park (Maryland)</settlement><region type="state">Maryland</region></placeName></affiliation><affiliation wicri:level="1"><country wicri:rule="url">États-Unis</country></affiliation></author><author wicri:is="90%"><name sortKey="Wu, Gang" sort="Wu, Gang" uniqKey="Wu G" first="Gang" last="Wu">Gang Wu</name><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Chemistry, Queens University, K7L 3N6, 90 Bader Lane, Kingston, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Canada</country></affiliation></author></analytic><monogr></monogr><series><title level="j">Chemical Communications</title><title level="j" type="abbrev">Chem. 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M." last="Kwan">Irene C. M. Kwan</name><name sortKey="Kwan, Irene C M" sort="Kwan, Irene C M" uniqKey="Kwan I" first="Irene C. M." last="Kwan">Irene C. M. Kwan</name><name sortKey="Wong, Alan" sort="Wong, Alan" uniqKey="Wong A" first="Alan" last="Wong">Alan Wong</name><name sortKey="Wu, Gang" sort="Wu, Gang" uniqKey="Wu G" first="Gang" last="Wu">Gang Wu</name><name sortKey="Wu, Gang" sort="Wu, Gang" uniqKey="Wu G" first="Gang" last="Wu">Gang Wu</name></country><country name="France"><region name="Île-de-France"><name sortKey="Wong, Alan" sort="Wong, Alan" uniqKey="Wong A" first="Alan" last="Wong">Alan Wong</name></region></country><country name="États-Unis"><region name="Maryland"><name sortKey="Kotch, Frank W" sort="Kotch, Frank W" uniqKey="Kotch F" first="Frank W." last="Kotch">Frank W. Kotch</name></region><name sortKey="Davis, Jeffery T" sort="Davis, Jeffery T" uniqKey="Davis J" first="Jeffery T." last="Davis">Jeffery T. Davis</name><name sortKey="Davis, Jeffery T" sort="Davis, Jeffery T" uniqKey="Davis J" first="Jeffery T." last="Davis">Jeffery T. Davis</name><name sortKey="Kotch, Frank W" sort="Kotch, Frank W" uniqKey="Kotch F" first="Frank W." last="Kotch">Frank W. Kotch</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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