On the formation of cinnamyl alcohol during the hydrogenation of cinnamaldehyde under mild conditions on supported palladium catalysts

被引：8
|
作者：
Espro, Claudia [1 ]
Donato, Andrea [2 ]
Galvagno, Signorino [1 ]
Neri, Giovanni [1 ]
机构：
[1] Univ Messina, Dipartimento Ingn, Contrada Di Dio 1, I-98166 Messina, Italy
[2] Univ Mediterranea Reggio Calabria, Dipartimento DICEAM, I-89122 Reggio Di Calabria, Italy
来源：
REACTION KINETICS MECHANISMS AND CATALYSIS | 2016年 / 118卷 / 01期
关键词：
Cinnamaldehyde; Hydrogenation; Pd catalysts; Catalytic support; PT-SN CATALYSTS; SELECTIVE HYDROGENATION; CHEMOSELECTIVE HYDROGENATION; ALPHA; BETA-UNSATURATED ALDEHYDES; UNSATURATED ALDEHYDES; C=O; CROTONALDEHYDE; NANOPARTICLES; BEHAVIOR; SIZE;
D O I：
10.1007/s11144-016-1019-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The hydrogenation of cinnamaldehyde under mild conditions (293-343 K; 1 atm H-2) by using Pd-based catalysts supported on different metal oxides (SiO2, Co3O4, Fe2O3) has been investigated. Compared to other supports, cobalt oxide was found to promote the catalytic properties of palladium effectively for the hydrogenation of the conjugated carbonyl group. The effect of the addition of Sn to Pd/Co3O4 and reaction temperature on the selectivity to cinnamyl alcohol was also evaluated. A low reaction temperature (293 K) and a proper Sn loading (1 wt%) further enhance the selectivity of Pd/Co3O4 towards the desired unsaturated alcohol (up to 18.9 % at 55 % conversion of the substrate).
引用
收藏
页码：223 / 233
页数：11
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