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Article: Syntheses, reactivity studies and the catalytic properties of a series of tetraosmium-gold mixed-metal clusters

TitleSyntheses, reactivity studies and the catalytic properties of a series of tetraosmium-gold mixed-metal clusters
Authors
KeywordsCarbonylations
Clusters
Electrochemistry
Gold
Osmium
Issue Date2003
PublisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.org
Citation
European Journal Of Inorganic Chemistry, 2003 n. 14, p. 2651-2662 How to Cite?
AbstractTreatment of the mixture of [Os4(μ-H)4(CO)12] and [AuPPh3Cl] with excess triethylamine afforded three novel tetraosmium-gold mixed-metal clusters, [Os4Au2(μ-H)2(CO)11 (PPh3)3] (4), [Os4Au3(μ-H)3(CO)11 (PPh3)3] (5), and [Os4Au4(μ-H)2(CO)11 (PPh3)4] (6) in moderate yields. Cluster [Os4Au(μ-H)3(CO)11(NMe3) (PPh3)] (2) was also obtained in a similar reaction in the presence of trimethylamine N-oxide. They were fully characterized by different spectroscopic techniques, and the solid-state structures were established by X-ray analysis. These dimetallic clusters exhibit an osmium/gold ratio ranging from 1 to 4. Their electronic absorption properties, electrochemistry, and catalytic properties, as a result of the oxidative carbonylation of aniline, were investigated in terms of the Os/Au ratio. © Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.
Persistent Identifierhttp://hdl.handle.net/10722/69759
ISSN
2015 Impact Factor: 2.686
2015 SCImago Journal Rankings: 1.018
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Yen_HK
dc.contributor.authorWong, WTen_HK
dc.date.accessioned2010-09-06T06:16:35Z-
dc.date.available2010-09-06T06:16:35Z-
dc.date.issued2003en_HK
dc.identifier.citationEuropean Journal Of Inorganic Chemistry, 2003 n. 14, p. 2651-2662en_HK
dc.identifier.issn1434-1948en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69759-
dc.description.abstractTreatment of the mixture of [Os4(μ-H)4(CO)12] and [AuPPh3Cl] with excess triethylamine afforded three novel tetraosmium-gold mixed-metal clusters, [Os4Au2(μ-H)2(CO)11 (PPh3)3] (4), [Os4Au3(μ-H)3(CO)11 (PPh3)3] (5), and [Os4Au4(μ-H)2(CO)11 (PPh3)4] (6) in moderate yields. Cluster [Os4Au(μ-H)3(CO)11(NMe3) (PPh3)] (2) was also obtained in a similar reaction in the presence of trimethylamine N-oxide. They were fully characterized by different spectroscopic techniques, and the solid-state structures were established by X-ray analysis. These dimetallic clusters exhibit an osmium/gold ratio ranging from 1 to 4. Their electronic absorption properties, electrochemistry, and catalytic properties, as a result of the oxidative carbonylation of aniline, were investigated in terms of the Os/Au ratio. © Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.en_HK
dc.languageengen_HK
dc.publisherWiley - V C H Verlag GmbH & Co KGaA. The Journal's web site is located at http://www.eurjic.orgen_HK
dc.relation.ispartofEuropean Journal of Inorganic Chemistryen_HK
dc.subjectCarbonylationsen_HK
dc.subjectClustersen_HK
dc.subjectElectrochemistryen_HK
dc.subjectGolden_HK
dc.subjectOsmiumen_HK
dc.titleSyntheses, reactivity studies and the catalytic properties of a series of tetraosmium-gold mixed-metal clustersen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1434-1948&volume=2003&spage=2651&epage=2662&date=2003&atitle=Syntheses,+reactivity+studies+and+the+catalytic+properties+of+a+series+of+tetraosmium-gold+mixed+metal+clusters+en_HK
dc.identifier.emailWong, WT: wtwong@hku.hken_HK
dc.identifier.authorityWong, WT=rp00811en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/ejic.200200703-
dc.identifier.scopuseid_2-s2.0-0042658236en_HK
dc.identifier.hkuros92027en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0042658236&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.issue14en_HK
dc.identifier.spage2651en_HK
dc.identifier.epage2662en_HK
dc.identifier.isiWOS:000184501100015-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridLi, Y=7502089799en_HK
dc.identifier.scopusauthoridWong, WT=7403973084en_HK

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