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Gold compounds as efficient co-catalysts in palladium-catalysed alkynylation.
|Authors:||Jones, Lathe A.; Sanz, Sergio; Laguna, Mariano CSIC ORCID||Keywords:||Palladium-catalysed alkynylation
|Issue Date:||30-Apr-2007||Publisher:||Elsevier||Citation:||Catalysis Today 122 (3-4): 403-406 (2007)||Abstract:||A series of inorganic and organometallic compounds of gold [AuCl(tht)], [Au(C6F5)(tht)] and Na[AuCl4] (tht = tetrahydrothiophene) are shown to efficiently co-catalyze the Sonogashira-type cross-coupling reaction of phenylacetylene with aryl halides in THF solution. [AuCl(tppts)] (tppts = trisodium salt of tris(m-sulfonatophenyl)phosphine) co-catalyzes the same reaction in biphasic aqueous systems. Gold compounds are thus revealed as efficient transmetalation catalysts to palladium.||Description:||3 tables.||Publisher version (URL):||http://dx.doi.org/10.1016/j.cattod.2007.01.045||URI:||http://hdl.handle.net/10261/19247||DOI:||10.1016/j.cattod.2007.01.045|
|Appears in Collections:||(ICMA) Artículos|
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