Please use this identifier to cite or link to this item: https://doi.org/10.1006/jcat.2001.3480
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dc.titleHydrous zirconia as a selective catalyst for the Meerwein-Ponndorf-Verley reduction of cinnamaldehyde
dc.contributor.authorLiu, S.H.
dc.contributor.authorJaenicke, S.
dc.contributor.authorChuah, G.K.
dc.date.accessioned2014-06-23T05:41:26Z
dc.date.available2014-06-23T05:41:26Z
dc.date.issued2002
dc.identifier.citationLiu, S.H., Jaenicke, S., Chuah, G.K. (2002). Hydrous zirconia as a selective catalyst for the Meerwein-Ponndorf-Verley reduction of cinnamaldehyde. Journal of Catalysis 206 (2) : 321-330. ScholarBank@NUS Repository. https://doi.org/10.1006/jcat.2001.3480
dc.identifier.issn00219517
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/76330
dc.description.abstractHydrous zirconia was found to be active in the Meerwein-Ponndorf-Verley (MPV) reduction of cinnamaldehyde with 2-propanol. An initial selectivity to cinnamyl alcohol of higher than 97% was measured. At longer reaction times, etherification between cinnamyl alcohol and 2-propanol decreased the selectivity. The activity decreased sharply when the hydrous zirconia was calcined to higher temperatures. Surface hydroxyl groups are postulated to be important for the activity. They are required for ligand exchange with 2-propanol. Zirconium 1-propoxide grafted on silica, siliceous MCM-41, and Al-MCM-41 were also active in the MPV reaction. In contrast, zeolite beta, although active in the conversion of cin-namaldehyde, showed poor selectivity toward the desired product, cinnamyl alcohol. Instead, the main product formed was cinnamyl 2-propyl ether. © 2002 Elsevier Science (USA).
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1006/jcat.2001.3480
dc.sourceScopus
dc.subjectCinnamaldehyde
dc.subjectEtherification
dc.subjectGrafted zirconium 1-propoxide
dc.subjectHydrous zirconia
dc.subjectHydroxyl concentration
dc.subjectMPV reduction
dc.subjectZeolite beta
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentMATERIALS SCIENCE
dc.description.doi10.1006/jcat.2001.3480
dc.description.sourcetitleJournal of Catalysis
dc.description.volume206
dc.description.issue2
dc.description.page321-330
dc.identifier.isiut000174844900015
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