OALib Journal期刊
CatalyticActivityofDualMetalCyanideComplexinMulti-componentCouplingReactions
DOI: 10.1016/S1872-2067(10)60266-5
Keywords: dualmetalcyanide ,multi-componentcouplingreaction ,acidcatalyst
Abstract:
？Severaldualmetalcyanidecatalystswerepreparedfrompotassiumferrocyanide,metalchloride(wheremetal=Zn2+,Mn2+,Ni2+,Co2+andFe2+),t-butanol(complexingagent)andPEG-4000(co-complexingagent).Thecatalystswerecharacterizedbyelementalanalysis(CHNandX-rayfluorescence),X-raydiffraction,N2adsorption-desorption,scanningelectronmicroscopy,Fourier-transforminfraredspectroscopy,andUV-Visiblespectroscopy.Thedualmetalcyanidecatalystswereusedinseveralacidcatalyzedmulti-componentcouplingreactionsforthesynthesisofpharmaceuticallyimportantorganicderivatives.Inallthesereactions,theFe-Fecontainingdualmetalcyanidecatalystwasthebestcatalyst.Thecatalystscanberecycledwithoutlossincatalyticactivity.Theadvantageofthismethodistheuseofmild,efficientandreusablecatalystsforvariousreactions,whichmakesthemcandidatesforcommercialuse.
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