Citation: Tian Song Huang, Yan Hua Wang, Jing Yang Jiang, Zi Lin Jin. PEG-stabilized palladium nanoparticles: An efficient and recyclable catalyst for the selective hydrogenation of 1,5-cyclooctadiene in thermoregulated PEG biphase system[J]. Chinese Chemical Letters, ;2008, 19(1): 102-104. doi: 10.1016/j.cclet.2007.10.042 shu

PEG-stabilized palladium nanoparticles: An efficient and recyclable catalyst for the selective hydrogenation of 1,5-cyclooctadiene in thermoregulated PEG biphase system

State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116012, China

Received Date: 24 July 2007

Fund Project: Financial support from the National Natural Science Foundation of China(No.20573015) is gratefully acknowledged.

Polyethylene glycol (PEG)-stabilized palladium nanoparticles were prepared and applied to the selective hydrogenation of 1,5-cyclooctadiene (1,5-COD) in thermoregulated PEG biphase system, which allows a reaction in a single-phase at a higher temperature followed by a phase split at a lower temperature. Under the optimized reaction conditions, the conversion of 1,5-COD and the selectivity of cyclooctene (COE) were 100 and 98%, respectively. The catalyst could be easily separated from the product by phase separation and reused for 6 times without evident loss in activity and selectivity.
- Palladium,
- Nanoparticle,
- Selective hydrogenation,
- 1,5-Cyclooctadiene,
- Tbermoregulated PEG biphase system
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