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Article: Conformationally-locked metallomacrocycles - Prototypes for a novel type of axial chirality

TitleConformationally-locked metallomacrocycles - Prototypes for a novel type of axial chirality
Authors
Issue Date2009
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/njc
Citation
New Journal Of Chemistry, 2009, v. 33 n. 2, p. 376-385 How to Cite?
AbstractA series of ditopic ligands incorporating two 2,2′:6′,2″- terpyridine (tpy) metal-binding domains linked to a central naphthalenediyl core by ethyleneoxy chains of various lengths have been prepared and their iron(ii) complexes prepared. The major thermodynamic products of complexation are ferracycles of [1 + 1], [2 + 2] or [3 + 3] stoichiometry. In the case of the [1 + 1] complexes, the linker between the two tpy domains is spatially restricted and the cations exhibit chirality associated with the conformation about the central N-Fe-N bonds. The dynamic processes by which the enantiomeric forms interconvert are investigated in the presence of chiral anions by NMR and circular dichroism spectroscopy making use of the Pfeiffer effect. We have shown that ditopic bis(2,2′:6′,2″-terpyridine) ligands give rise to conformationally restricted complexes with iron(ii) centres. The absolute configuration of the cations in the diastereomeric ion pairs obtained through the Pfeiffer effect has been calculated using TDDFT methods. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
Persistent Identifierhttp://hdl.handle.net/10722/168356
ISSN
2015 Impact Factor: 3.277
2015 SCImago Journal Rankings: 0.987
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChow, HSen_US
dc.contributor.authorConstable, ECen_US
dc.contributor.authorFrantz, Ren_US
dc.contributor.authorHousecroft, CEen_US
dc.contributor.authorLacour, Jen_US
dc.contributor.authorNeuburger, Men_US
dc.contributor.authorRappoport, Den_US
dc.contributor.authorSchaffner, Sen_US
dc.date.accessioned2012-10-08T03:17:55Z-
dc.date.available2012-10-08T03:17:55Z-
dc.date.issued2009en_US
dc.identifier.citationNew Journal Of Chemistry, 2009, v. 33 n. 2, p. 376-385en_US
dc.identifier.issn1144-0546en_US
dc.identifier.urihttp://hdl.handle.net/10722/168356-
dc.description.abstractA series of ditopic ligands incorporating two 2,2′:6′,2″- terpyridine (tpy) metal-binding domains linked to a central naphthalenediyl core by ethyleneoxy chains of various lengths have been prepared and their iron(ii) complexes prepared. The major thermodynamic products of complexation are ferracycles of [1 + 1], [2 + 2] or [3 + 3] stoichiometry. In the case of the [1 + 1] complexes, the linker between the two tpy domains is spatially restricted and the cations exhibit chirality associated with the conformation about the central N-Fe-N bonds. The dynamic processes by which the enantiomeric forms interconvert are investigated in the presence of chiral anions by NMR and circular dichroism spectroscopy making use of the Pfeiffer effect. We have shown that ditopic bis(2,2′:6′,2″-terpyridine) ligands give rise to conformationally restricted complexes with iron(ii) centres. The absolute configuration of the cations in the diastereomeric ion pairs obtained through the Pfeiffer effect has been calculated using TDDFT methods. © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.en_US
dc.languageengen_US
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/njcen_US
dc.relation.ispartofNew Journal of Chemistryen_US
dc.titleConformationally-locked metallomacrocycles - Prototypes for a novel type of axial chiralityen_US
dc.typeArticleen_US
dc.identifier.emailChow, HS:hoishanc@hku.hken_US
dc.identifier.authorityChow, HS=rp00682en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1039/b819588aen_US
dc.identifier.scopuseid_2-s2.0-59549083491en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-59549083491&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume33en_US
dc.identifier.issue2en_US
dc.identifier.spage376en_US
dc.identifier.epage385en_US
dc.identifier.isiWOS:000263113200016-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChow, HS=8056499800en_US
dc.identifier.scopusauthoridConstable, EC=7005405466en_US
dc.identifier.scopusauthoridFrantz, R=7005607332en_US
dc.identifier.scopusauthoridHousecroft, CE=34770925800en_US
dc.identifier.scopusauthoridLacour, J=7202538146en_US
dc.identifier.scopusauthoridNeuburger, M=7007157988en_US
dc.identifier.scopusauthoridRappoport, D=6602361635en_US
dc.identifier.scopusauthoridSchaffner, S=7006345823en_US

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