Bridging the gap between homogeneous and heterogeneous gold catalysis: supported gold nanoparticles as heterogeneous catalysts for the benzannulation reaction

被引：31

作者：

Abad, Alberto ^{[1
]}

Corma, Avelino ^{[1
]}

Garcia, Hermenegildo ^{[1
]}

机构：

[1] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Valencia 46022, Spain

来源：

TOPICS IN CATALYSIS | 2007年 / 44卷 / 1-2期

关键词：

gold nanoparticles; homogeneous catalysis; heterogeneous catalysis; benzannulatim; C-C bond formation reactions;

D O I：

10.1007/s11244-007-0296-6

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Gold nanoparticles supported on metal oxides and activated carbon are able to catalyze the benzannulation reaction of o-(phenylethynyl)benzaidehyde and phenylacetylene to 1-benzoyl-2-phenylnaphtalene with high selectivity at 99% conversion. Benzannulation of ortho-alkynyl benzaldehydes is a reaction typically catalyzed by soluble AUCl(3) and, now, we have found that it can also be catalyzed by heterogeneous gold supported catalysts. The heterogeneous catalytic system can be reused several times without loss of activity or selectivities.

引用

页码：237 / 243

页数：7

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