HYDROGENATION OF C=C AND C=O GROUPS ON RUTHENIUM-TIN CATALYSTS

被引：52

作者：

GALVAGNO, S ^{[1
]}

DONATO, A ^{[1
]}

NERI, G ^{[1
]}

PIETROPAOLO, R ^{[1
]}

机构：

[1] UNIV REGGIO CALABRIA,FAC INGN,I-89100 REGGIO CALABRIA,ITALY

来源：

CATALYSIS LETTERS | 1991年 / 8卷 / 01期

关键词：

RUTHENIUM-TIN; ALDEHYDES HYDROGENATION; OLEFIN HYDROGENATION;

D O I：

10.1007/BF00764377

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 effect of addition of tin on the catalytic activity of Ru/C catalysts has been investigated in the liquid phase hydrogenation of beta-methylstyrene and hydrocinnamaldehyde. On increasing the Sn content, the amount of CO chemisorbed decreases, indicating a decrease in the number of Ru surface atoms. In the hydrogenation of beta-methylstyrene the specific activity of Ru (calculated per Ru surface atom) remains constant regardless of the Sn/Ru ratio. An increase of specific activity is however observed in the hydrogenation of hydrocinnamaldehyde. It is suggested that tin, present mainly as Sn ions, enhances the reactivity of the C=O group.

引用

页码：9 / 14

页数：6

共 12 条

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