Model of selectivity to methyl pelargonate in hydrocarbomethoxylation of 1-octene in the presence of the Pd(PPh3)2Cl2—PPh3—p-toluenesulfonic acid catalytic system

被引：0
作者：
S. A. Batashev
N. T. Sevostyanova
机构：
[1] Tula State Lev Tolstoy Pedagogical University,
来源：
Russian Chemical Bulletin | 2020年 / 69卷
关键词：
hydrocarbomethoxylation; 1-octene; methyl pelargonate; palladium catalyst; selectivity model;
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摘要：
The model of selectivity to methyl pelargonate was developed for the hydrocarbomethoxylation of 1-octene catalyzed by the Pd(PPh3)2Cl2—PPh3—p-toluenesulfonic acid system (378 K). The ratio of the rate of methyl pelargonate formation to the sum of the rates of formation of three isomeric esters (reaction products) was accepted as the differential selectivity of the reaction. The model represents a system of equations relating the differential selectivity of the reaction to the CO pressure and concentrations of methanol, PPh3, and p-toluenesulfonic acid. The model adequately depicts the experimental data in a wide range of 1-octene conversions up to 95.5%. The regularities of a change in the reaction selectivity were substantiated using the hydride multiroute mechanism of hydrocarbomethoxylation of 1-octene.
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页码：1561 / 1568
页数：7
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