Liquid-phase hydrogenation of diphenylacetylene on Pd-Au/Al2O3 bimetallic catalysts

被引：8

作者：

Stakheev, A. Yu. ^{[1
]}

Moroz, B. L. ^{[2
]}

Mashkovsky, I. S. ^{[1
]}

Markov, P. V. ^{[1
]}

Turova, O. V. ^{[1
]}

Tkachenko, O. P. ^{[1
]}

Pyryaev, P. A. ^{[2
]}

Bukhtiyarov, V. I. ^{[2
,3
]}

机构：

[1] Russian Acad Sci, ND Zelinskii Organ Chem Inst, Moscow 119991, Russia

[2] Russian Acad Sci, Siberian Branch, GK Boreskov Inst Catalysis, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

RUSSIAN CHEMICAL BULLETIN | 2015年 / 64卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

bimetallic catalysts; Pd; Au; hydrogenation; diphenylacetylene; SELECTIVE HYDROGENATION; CARBON-MONOXIDE; BENZYL ALCOHOL; SUPPORTED PD; AU CATALYSTS; OXIDATION; CO; ACETYLENES; REDUCTION; AROMATICS;

D O I：

10.1007/s11172-015-0820-y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The modification of the Pd/Al2O3 catalysts by gold considerably increases their catalytic activity in the liquid-phase hydrogenation of diphenylacetylene. The "turnover frequency" on the Pd-Au/Al2O3 bimetallic catalysts is 3-4 times higher than that of the monometallic samples. The increase in catalytic activity is more pronounced at the second step of diphenylethylene hydrogenation to diphenylethane. According to the data of IR spectroscopy of adsorbed CO, the observed effect is related to an increase in the electron density on the Pd atoms in the bimetallic samples.

引用

页码：53 / 57

页数：5

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