Microwave- and ultrasound-assisted Suzuki-Miyaura cross-coupling reactions catalyzed by Pd/PVP

被引：38
|
作者：
de Souza, Andrea Luzia F. [1 ]
da Silva, Lucyane C. [1 ]
Oliveira, Blanca L. [1 ]
Antunes, O. A. C. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, Inst Quim, BR-21941909 Rio De Janeiro, Brazil
来源：
TETRAHEDRON LETTERS | 2008年 / 49卷 / 24期
关键词：
D O I：
10.1016/j.tetlet.2008.04.061
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Suzuki-Miyaura reactions using Pd/PVP as a catalyst source were carried out in water-ethanol solution. Under MW, sonication or thermal condition yields were very similar, from moderate to very good, in a variety of examples. However, TOFs were very different, 750/h under MW, 250/h under sonication, and 28/h under thermal conditions. Studies carried out under sonication showed that the whole system after product extraction can be re-used at least twice without any noticeable loss of yield. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3895 / 3898
页数：4
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