Evaluation of strong acid properties of layered HNbMoO 6 and catalytic activity for Friedel–Crafts alkylation
Catalysis Today, ISSN: 0920-5861, Vol: 142, Issue: 3, Page: 267-271
2009
- 38Citations
- 22Captures
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Article Description
The acid properties and catalytic activity of layered HNbMoO 6 for liquid-phase Friedel–Crafts alkylation are examined. 31 P MAS NMR spectroscopy using trimethylphosphine oxide as a probe molecule reveals that HNbMoO 6 possesses strong acid sites in the interlayer region. Layered HNbMoO 6 is demonstrated to display remarkable catalytic performance for this reaction, substantially exceeding the activities of niobic acid, niobium–molybdenum mixed oxide, ion-exchange resins, and zeolites. It is determined that benzyl alcohol is intercalated into the HNbMoO 6 interlayer during alkylation to form a monolayer configuration, allowing the strong interlayer acid sites to participate in the reaction.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0920586108005464; http://dx.doi.org/10.1016/j.cattod.2008.10.045; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=63349090717&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0920586108005464; https://dx.doi.org/10.1016/j.cattod.2008.10.045
Elsevier BV
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