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Selective catalytic hydrogenation of acetophenone to1-phenylethanoloverCo/mordenite in water
Catalysis Communications ( IF 3.7 ) Pub Date : 2018-10-23 , DOI: 10.1016/j.catcom.2018.10.005
Xin Bo Zhang , Wen Nian Lu , Jia Long Wang , Bao Han Liao , Yong Hua Qin , Ya Juan Zhang , Bin Zhang , Su An Xin

The selective catalytic hydrogenation of acetophenone (AP)to 1-phenylethanol (PhE) has been studied in water, ethanol and n-hexanesolvent over Co/mordenite. It was shown that the highest yield of PhE (99.9%) was obtained in water solvent. The adsorption of AP hindered the adsorption of PhE in water, which in turn reduced the rate of hydrogenolysis of PhE to ethylbenzene (EB).By increasing the reaction temperature the hydrogenolysis of PhE to EB is promoted. The water phase was collected after reaction and reused successfully. The yield of PhE was 96.1% when the AP concentration in solution and the catalyst loading increased to three times. The neutral and alkaline conditions were beneficial to the hydrogenation of AP to PhE in water.



中文翻译:

水中Co /丝光沸石对苯乙酮的选择性催化加氢生成1-苯基乙醇

在水/乙醇和正己烷溶剂中,通过Co /丝光沸石研究了苯乙酮(AP)选择性催化加氢成1-苯基乙醇(PhE)。结果表明,在水溶剂中,PhE的收率最高(99.9%)。AP的吸附阻碍了水中PhE的吸附,进而降低了PhE向乙苯(EB)的氢解速率。通过提高反应温度,促进了PhE向EB的氢解。反应后收集水相并成功重复使用。当溶液中AP浓度和催化剂负载量增加到三倍时,PhE的产率为96.1%。中性和碱性条件有利于在水中将AP氢化为PhE。

更新日期:2018-10-23
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