ISOMERIZATION OF ALPHA-ACETYLENIC ALCOHOLS INTO ALPHA,BETA-ETHYLENIC CARBONYL DERIVATIVES IN VAPOR-PHASE

被引：5

作者：

MERCIER, C ^{[1
]}

ALLMANG, G ^{[1
]}

AUFRAND, M ^{[1
]}

机构：

[1] RHONE POULENC RECH,CTR RECH CARRIERES,F-69190 ST FONS,FRANCE

来源：

APPLIED CATALYSIS A-GENERAL | 1994年 / 114卷 / 01期

关键词：

CARBINOL (DIMETHYL ETHYNYL); CROTONALDEHYDE (BETA-METHYL); ISOMERIZATION; MOLYBDENA-SILICA;

D O I：

10.1016/0926-860X(94)85108-5

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：

The catalytic isomerisation of dimethyl ethynylcarbinol-1 with the formation of beta-methylcroton-aldehyde-2 was carried out in the presence of oxometallic derivates in a heterogeneous vapour phase process. The MoO3-SiO2 catalysts, prepared by impregnation are particularly efficient: a 75% selectivity could be obtained. The only by-product is methyl-2-butene-1-yne-3. Mechanistic explanations are proposed and catalyst design are given in relation to the liquid phase homogeneous process.

引用

页码：51 / 64

页数：14

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