PdCl2(PPh3)2-heteropolyacids-catalyzed regioselective hydrocarboxylation of styrene

被引：0

作者：

El Ali, B ^{[1
]}

Fettouhi, M ^{[1
]}

机构：

[1] King Fahd Univ Petr & Minerals, Dept Chem, Dhahran 31261, Saudi Arabia

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2002年 / 182卷 / 01期

关键词：

hydrocarboxylation; carbonylation; palladium; heteropolyacid; styrene; carboxylic acid;

D O I：

暂无

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 hydrocarboxylation of styrene has been carried out in the presence of PdCl2(PPh3)(2) as catalyst and the heteropolyacids of general formula H3+nPMo12-nVnO40 (HPA-n, n = 1-4) as co-catalyst in THF as solvent. The heteropolyacid H5PMO10V2O40 and HCl enhanced the catalytic reaction at 80 degreesC leading to excellent selectivity of branched aldehyde (>99%). The presence of HCl is essential for the achievement of the total conversion. No additional PPh3 is needed with PdCl2(PPh3)(2) as catalyst. (C) 2002 Elsevier Science B.V All rights reserved.

引用

页码：195 / 207

页数：13

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