Citation: Dana Bílková, Petr Jansa, Iva Paterová, Libor Červený. Hydrogenation of coumarin to octahydrocoumarin over a Ru/Ccatalyst[J]. Chinese Journal of Catalysis, ;2015, 36(7): 957-960. doi: 10.1016/S1872-2067(15)60860-9 shu

Hydrogenation of coumarin to octahydrocoumarin over a Ru/Ccatalyst

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a Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

Corresponding author: Dana Bílková,
Received Date: 3 January 2015
Available Online: 8 April 2015
Fund Project: This work was supported by specific university research (MSMT No. 20/2014). (MSMT No. 20/2014)

The production of octahydrocoumarin, which can serve as a replacement for toxic coumarin, was investigated using 5% Ru on active carbon (Ru/C) as the catalyst for the hydrogenation of coumarin. The hydrogenation was studied by optimizing the reaction conditions (pressure, solvent and coumarin concentration). The activity and selectivity of the Ru/C catalyst were compared for different solvents. The mechanism of coumarin hydrogenation was deduced. The formation of side products was explained. The optimal hydrogenation reaction conditions were: 130 ℃, 10 MPa, 60 wt% coumarin in methanol, and 0.5 wt% (based on coumarin) of Ru/C catalyst. At the complete conversion of coumarin, the selectivity to the desired product was 90%.
- Hydrogenation,
- Coumarin,
- Octahydrocoumarin,
- Supported ruthenium catalyst,
- Selectivity
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沈阳化工大学材料科学与工程学院沈阳 110142