Modification of rhodium carbonyl catalysts for hydroformylation of 2-butenes by organophosphorus ligands

被引：0
|
作者：
N. V. Kolesnichenko
N. A. Markova
A. T. Teleshev
E. V. Slivinskii
机构：
[1] Russian Academy of Sciences,A. V. Topchiev Institute of Petrochemical Synthesis
来源：
Russian Chemical Bulletin | 1999年 / 48卷
关键词：
hydroformylation; rhodium catalyst; organophosphorus compounds;
D O I：
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学科分类号：
摘要：
The influence of the nature of the organophosphorus ligand and the P/Rh molar ratio on the catalytic properties of rhodium carbonyl complexes in hydroformylation of 2-butenes was studied. The difference between phosphine and phosphite ligands during the formation of highly selective catalytic complexes was found. It was supposed that a decrease in the selectivity with respect to 2-methylbutanal is due to the isomerization of olefins under conditions of a decrease in the competitive capability of CO for coordination sites (the high P/Rh ratio, a decrease in the total pressure of the synthesis-gas).
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页码：698 / 700
页数：2
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