Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/19251
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dc.contributor.authorSanz, Sergio-
dc.contributor.authorJones, Lathe A.-
dc.contributor.authorMohr, Fabian-
dc.contributor.authorLaguna, Mariano-
dc.date.accessioned2009-12-02T10:17:38Z-
dc.date.available2009-12-02T10:17:38Z-
dc.date.issued2007-01-17-
dc.identifier.citationOrganometallics 26(4): 952-957 (2007)en_US
dc.identifier.urihttp://hdl.handle.net/10261/19251-
dc.description6 pages, 2 figures, 5 tables.en_US
dc.description.abstractA variety of gold(I) complexes containing the water-soluble phosphine ligands TPPMS, TPPDS, and TPPTS (mono-, di-, and tri-sulfonated triphenylphosphine, respectively) were tested as catalysts for the hydration of phenylacetylene in aqueous media. The gold(I) alkynyl complexes [AuCCR(TPPTS)] (where R = tBu and 3-thiophenyl) give the highest ever reported turnover frequencies (1000 and 1060 h-1, respectively) for the hydration of phenylacetylene under optimum conditions (0.1 mol % catalyst loading, 10 mol % H2SO4, 1 h reflux in 5:1 MeOH/H2O). The hydration of phenylacetylene can also be carried out using only water and reaction medium, which allows recycling of the gold catalyst without significant drop of activity for at least three cycles. DFT calculations were used to compare relative energies of possible intermediates involved in the catalytic cycle.en_US
dc.description.sponsorshipWe thank the Ministerio de Ciencia y Tecnología Spain for financial support (CTQ2005-08099-C03- 01) and for research grants to L.A.J. (SB2001-0191), S.S. (BES2003-2259), and F.M. (SB2003-0235).en_US
dc.format.extent10752 bytes-
dc.format.mimetypeapplication/octet-stream-
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsclosedAccessen_US
dc.titleHomogeneous Catalyst with Gold: Efficient Hydration of Phenylacetylene in Aqueous Media.en_US
dc.typeartículoen_US
dc.identifier.doi10.1021/om060821y-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1021/om060821yen_US
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
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