N-oxidation of pyridines by hydrogen peroxide in the presence of TS-1

被引：0
作者：
Denis J. Robinson
Paul McMorn
Donald Bethell
Philip C. Bulman-Page
C. Sly
Frank King
Frederick E. Hancock
G.J. Hutchings
机构：
来源：
Catalysis Letters | 2001年 / 72卷
关键词：
N-oxidation of pyridine; hydrogen peroxide; TS-1; heterogeneous catalysis; uncatalysed oxygen transfer;
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学科分类号：
摘要：
In the production of aromatic N-oxides using the oxidation of N-containing heterocyclic aromatic substrates with H2O2 as oxidant, the non-catalysed homogeneous oxidation is found to play an important part in the overall reaction. In addition, when TS-1 is used as a catalyst, there are many potential competitive interactions between the catalyst, the reactants and the products, which limit the effectiveness of the catalyst. It is concluded that the use of TS-1 and other microporous catalysts for the heterogeneous N-oxidation of pyridine and substituted pyridines needs to be interpreted with caution.
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页码：233 / 234
页数：1
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