Arene hydrogenation by homogeneous catalysts: fact or fiction?

被引:191
作者
Dyson, PJ [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Inst Chim Mol & Biol, Lab Chim Organomet, BCH, CH-1015 Lausanne, Switzerland
关键词
D O I
10.1039/b303250g
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A few years ago the concept of homogeneous arene hydrogenation catalysis was called into question, since many catalysts originally assigned as homogeneous have subsequently been shown to be precursors to heterogeneous ( colloidal or nanoparticulate) catalysts. In this Perspective, the mechanism for arene hydrogenation is described and extended to include polynuclear ( cluster, colloidal and nanoparticulate) catalysts. The various experiments used to determine whether catalysis is by homogeneous or heterogeneous species are then assessed. The current catalysts in the literature are categorised, including those able to bring about partial reduction of aromatic compounds. Finally, the role of the solvent, including ionic liquids, is described, as the solvent could prove to be crucial in stabilising one form of catalyst over the other and in providing regioselective hydrogenation.
引用
收藏
页码:2964 / 2974
页数:11
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