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  4. Ionic-liquid-like copolymer stabilized nanocatalysts in ionic liquids: II. Rhodium-catalyzed hydrogenation of arenes
 
research article

Ionic-liquid-like copolymer stabilized nanocatalysts in ionic liquids: II. Rhodium-catalyzed hydrogenation of arenes

Zhao, Chen
•
Wang, Han-Zhi
•
Yan, Ning  
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2007
JOURNAL OF CATALYSIS

Rhodium nanoparticles stabilized by the ionic-liq.-like copolymer N-Vinyl-2-pyrrolidone-1-vinyl-3-butylimidazolium chloride-1-vinyl-3-ethylimidazolium bromide copolymer were used to catalyze the hydrogenation of benzene and other arenes in ILs. The nanoparticle catalysts can endure forcing conditions (75 °C, 40 bar H2), resulting in high reaction rates and high conversions compared with other nanoparticles that operate in ILs. The hydrogenation of benzene attained record total turnovers of 20,000, and the products were easily sepd. without being contaminated by the catalysts. Other substrates, including alkyl-substituted arenes, phenol, 4-n-propylphenol, 4-methoxylphenol, and phenyl-methanol, were studied and in most cases were found to afford partially hydrogenated products in addn. to cyclohexanes. In-depth investigations on reaction optimization, including characterization of copolymers, TEM, and an IR spectroscopic study of nanocatalysts, were carried out.

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Type
research article
DOI
10.1016/j.jcat.2007.05.014
Web of Science ID

WOS:000249104000005

Author(s)
Zhao, Chen
Wang, Han-Zhi
Yan, Ning  
Xiao, Chao-Xian
Mu, Xin-Dong
Dyson, Paul J.  
Kou, Yuan
Date Issued

2007

Published in
JOURNAL OF CATALYSIS
Volume

250

Issue

1

Start page

33

End page

40

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCOM  
Available on Infoscience
December 13, 2007
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/15626
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