Catalytic transfer hydrogenolysis of 2-phenyl-2-propanol over palladium supported on activated carbon

被引：23

作者：

Liu, Xiaohui ^{[1
]}

Lu, Guanzhong ^{[1
]}

Guo, Yanglong ^{[1
]}

Guo, Yun ^{[1
]}

Wang, Yunsong ^{[1
]}

Wang, Xinhong ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Res Inst Ind Catalysis, Adv Mat Lab, Shanghai 200237, Peoples R China

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2006年 / 252卷 / 1-2期

关键词：

transfer hydrogenolysis; Pd/C catalyst; 2-phenyl-2-propanol; formate salts; formic acid;

D O I：

10.1016/j.molcata.2006.02.055

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：

Transfer hydrogenolysis of 2-phenyl-2-propanol to isopropylene using formic acid as hydrogen donor was performed over the supported palladium, platinum and ruthenium catalysts. The hydrogen-donating abilities of various hydrogen donors and the effect of the pH value in a reaction medium were studied. It was found that Pd/C is an effective catalyst and formic acid is much better than formate salts and other agents of donating-hydrogen for the catalytic transfer hydrogenolysis of 2-phenyl-2-propanol. The protons in a reaction medium have a promotive effect on the catalytic hydrogenolysis of 2-phenyl-2-propanol. At the reaction condition of using formic acid as hydrogen donor and the Pd/C catalyst at 80 degrees C for 4 h, the conversion of 2-phenyl-2-propanol and selectivity to isopropylbenzene reaches 95.2 and 98.4%, respectively. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：176 / 180

页数：5

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