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Article: Isolation of cationic digold-frame with free carboxylic acid pendants

TitleIsolation of cationic digold-frame with free carboxylic acid pendants
Authors
Issue Date2009
Citation
Dalton Transactions, 2009, n. 25, p. 5009-5014 How to Cite?
AbstractUse of different diphosphines enables the isolation and crystallographic characterization of gold pyridylcarboxylate complexes with different structural motifs. Dppm [bis(diphenylphosphino)methane] supports side-by-side-like complexes [Au2(dppm)(IsonicH)2]2+ (isonicH = 4-NC5H4CO2H) with aurophilic and π⋯π interactions of the pyridyl rings. Use of dppen [1,2-bis(diphenylphosphino)ethylene] removes the latter interaction but keeps the orthogonal closed-shell interaction of Au(I) in [Au2(dppen) (IsonicH)2]2+. The ligand dppe [1,2-bis(diphenylphosphino) ethane] helps to push the gold centers apart in [Au2(dppe)(isonicH) 2]2+ and remove both interactions. These digold complexes are potential metalloligands that carry functional acids which can be conveniently activated by deprotonation. © The Royal Society of Chemistry 2009.
Persistent Identifierhttp://hdl.handle.net/10722/219598
ISSN
2015 Impact Factor: 4.177
2015 SCImago Journal Rankings: 1.404

 

DC FieldValueLanguage
dc.contributor.authorTeo, Peili-
dc.contributor.authorWang, Jing-
dc.contributor.authorKoh, L. L.-
dc.contributor.authorHor, T. S Andy-
dc.date.accessioned2015-09-23T02:57:29Z-
dc.date.available2015-09-23T02:57:29Z-
dc.date.issued2009-
dc.identifier.citationDalton Transactions, 2009, n. 25, p. 5009-5014-
dc.identifier.issn1477-9226-
dc.identifier.urihttp://hdl.handle.net/10722/219598-
dc.description.abstractUse of different diphosphines enables the isolation and crystallographic characterization of gold pyridylcarboxylate complexes with different structural motifs. Dppm [bis(diphenylphosphino)methane] supports side-by-side-like complexes [Au2(dppm)(IsonicH)2]2+ (isonicH = 4-NC5H4CO2H) with aurophilic and π⋯π interactions of the pyridyl rings. Use of dppen [1,2-bis(diphenylphosphino)ethylene] removes the latter interaction but keeps the orthogonal closed-shell interaction of Au(I) in [Au2(dppen) (IsonicH)2]2+. The ligand dppe [1,2-bis(diphenylphosphino) ethane] helps to push the gold centers apart in [Au2(dppe)(isonicH) 2]2+ and remove both interactions. These digold complexes are potential metalloligands that carry functional acids which can be conveniently activated by deprotonation. © The Royal Society of Chemistry 2009.-
dc.languageeng-
dc.relation.ispartofDalton Transactions-
dc.titleIsolation of cationic digold-frame with free carboxylic acid pendants-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1039/b823028e-
dc.identifier.scopuseid_2-s2.0-67649101544-
dc.identifier.issue25-
dc.identifier.spage5009-
dc.identifier.epage5014-
dc.identifier.eissn1477-9234-

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