Phosphorus acids as highly efficient promoters for the palladium-phenanthroline catalyzed carbonylation of nitrobenzene to methyl phenylcarbamate

被引：57
|
作者：
Ragaini, F
Gasperini, M
Cenini, S
机构：
[1] CNR, ISTM, Dipartimento Chim Inorgan MEt & Analit, I-20133 Milan, Italy
[2] UdR Milano, INSTM, I-20133 Milan, Italy
来源：
ADVANCED SYNTHESIS & CATALYSIS | 2004年 / 346卷 / 01期
关键词：
carbamates; carbonylation; homogeneous catalysis; nitroarenes; palladium;
D O I：
10.1002/adsc.200303143
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A new family of promoters, based on phosphorus acids, is reported for the catalytic carbonylation of nitrobenzene to methyl phenylearbamate by palladium-phenanthroline complexes. With the new promoters, unprecedented reaction rates (TOF up to 6000/h) and catalyst stability (TON up to 10(5)) could be reached. The best promoter is phosphoric acid, which is also very cheap, nontoxic and easily separable from the reaction products.
引用
收藏
页码：63 / 71
页数：9
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