Control of homogeneously catalyzed reactions by phase equilibria

被引：17

作者：

Buchmüller, K ^{[1
]}

Dahmen, N ^{[1
]}

Dinjus, E ^{[1
]}

Neumann, D ^{[1
]}

Powietzka, B ^{[1
]}

Pitter, S ^{[1
]}

Schön, J ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Tech Chem, D-76021 Karlsruhe, Germany

来源：

GREEN CHEMISTRY | 2003年 / 5卷 / 02期

关键词：

D O I：

10.1039/b212143n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon dioxide was used not only as a reaction medium but also as a renewable C-1 feedstock for the palladium catalyzed coupling reaction of butadiene and carbon dioxide. By utilization of nitrile modified phosphine ligands, in the liquid phase complete butadiene conversion and selectivity for the formation of (3E)-3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one (1) up to 47% were achieved. Phase equilibrium considerations were used for process development in order to realize single-phase conditions for the reaction. In contrast to a CO2 enriched phase composition, variation of the density only enables moderate conversion rates also with single-phase conditions and without further catalyst modification.

引用

页码：218 / 223

页数：6

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