LIQUID-PHASE HYDROGENATIONS OVER PLATINUM TIN CATALYSTS

被引：60

作者：

GALVAGNO, S ^{[1
]}

POLTARZEWSKI, Z ^{[1
]}

DONATO, A ^{[1
]}

NERI, G ^{[1
]}

PIETROPAOLO, R ^{[1
]}

机构：

[1] UNIV MESSINA,FAC SCI,INST CHIM IND,I-98100 MESSINA,ITALY

来源：

JOURNAL OF MOLECULAR CATALYSIS | 1986年 / 35卷 / 03期

关键词：

CATALYSTS - Platinum Tin Compounds;

D O I：

10.1016/0304-5102(86)87084-5

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：

Hydrocinnamaldehyde and phenylacetylene have been hydrogenated over Pt and Pt-Sn catalysts. the Pt-Sn system has been studied as a function of the Pt/Sn ratio. In the hydrogenation of the C EQUVLNT C triple bond, addition in tin to platinum causes a sharp decrease in the rate of reaction. In the hydrogenation of the C equals O group, an increase is instead observed at lower tin contents with a subsequent decrease at the higher Sn/Pt ratios. These results are discussed in terms of: (a) an interaction between tin and platinum which deactivates the active metal sites and (b) an interaction between hydrocinnamaldehyde and tin ions which enhances the reactivity of the C equals O group.

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页码：365 / 373

页数：9

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