Please use this identifier to cite or link to this item: https://doi.org/10.1071/CH09237
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dc.titleFischer indole synthesis over hydrous zirconia-supported niobium oxide
dc.contributor.authorZhong, L.
dc.contributor.authorChuah, G.-K.
dc.date.accessioned2014-10-16T08:48:10Z
dc.date.available2014-10-16T08:48:10Z
dc.date.issued2009
dc.identifier.citationZhong, L., Chuah, G.-K. (2009). Fischer indole synthesis over hydrous zirconia-supported niobium oxide. Australian Journal of Chemistry 62 (9) : 1027-1033. ScholarBank@NUS Repository. https://doi.org/10.1071/CH09237
dc.identifier.issn00049425
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95464
dc.description.abstractSupported niobium oxides are investigated as green catalysts for Fischer indole reaction. By means of wet impregnation, 1040 wt-% Nb2O 5 were loaded onto hydrous zirconia as a support. Pore size distribution curves showed that the niobium oxide overlayer was uniformly dispersed onto the mesoporous support. Samples with close to a monolayer coverage of niobium oxide had the highest activity in the Fischer indole reaction of phenylhydrazine with both 3-heptanone and cyclohexanone. A coverage higher than a monolayer led to lower activity. In comparison, the supported catalysts were more active than bulk niobium oxide or a sample prepared by co-precipitation of hydrous zirconia and niobium oxide. © CSIRO 2009.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1071/CH09237
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1071/CH09237
dc.description.sourcetitleAustralian Journal of Chemistry
dc.description.volume62
dc.description.issue9
dc.description.page1027-1033
dc.description.codenAJCHA
dc.identifier.isiut000269853200013
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