Transfer Dehydrogenation of Alcohols over Ceria-Supported Cu, Ir, and Pd Catalysts

Ceria-supported Cu, Ir, and Pd catalysts showed quite promising activity for transfer dehydrogenation of cyclohexanol and 2-octanol to cyclohexanone and 2-octanone, respectively, using styrene as the hydrogen acceptor. The Cu/CeO 2 and Pd/CeO 2 catalysts were more active than the previously reported...

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Bibliographic Details
Published in:Chinese journal of catalysis 2007-02, Vol.28 (2), p.106-108
Main Authors: SONG, Wei, SHI, Ruijuan, LIU, Junlong, ZHAN, Ensheng, LI, Zhanshuang, XU, Yide, SHEN, Wenjie
Format: Article
Language:English
Subjects:
alcohol
ceria
copper
iridium
palladium
transfer dehydrogenation
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Summary:Ceria-supported Cu, Ir, and Pd catalysts showed quite promising activity for transfer dehydrogenation of cyclohexanol and 2-octanol to cyclohexanone and 2-octanone, respectively, using styrene as the hydrogen acceptor. The Cu/CeO 2 and Pd/CeO 2 catalysts were more active than the previously reported Cu and Pd catalysts supported on Al 2O 3, and the Ir/CeO 2 catalyst exhibited extremely high activity. The reactivity of alcohols decreased in the order 2-octanol > cyclohexanol > benzyl alcohol > 1-octanol. The synergistic effect between the metals and CeO 2 as well as the effective coupling of dehydrogenation of alcohols and hydrogenation of styrene was responsible for the high catalytic activity.
ISSN:1872-2067
1872-2067
DOI:10.1016/S1872-2067(07)60013-8