Synthesis of coumarins in a molten n-Bu4NOAc/n-Bu4NBr mixture through a domino Heck reaction/cyclization process

被引:45
作者
Battistuzzi, G [1 ]
Cacchi, S [1 ]
De Salve, I [1 ]
Fabrizi, G [1 ]
Parisi, LM [1 ]
机构
[1] Univ Roma La Sapienza, Dipartimento Studi Chim & Tecnol Sostanze Biologi, I-00185 Rome, Italy
关键词
coumarins; cyclization; Heck reaction; ionic liquids; palladium;
D O I
10.1002/adsc.200404297
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
4-Arylcoumarins can be prepared in good to high yields by reacting readily available methyl or butyl 3-(o-hydroxyaryl)acrylates with aryl iodides and bromides in an n-Bu4NOAc/n-BU4NBr mixture at 100degreesC in the presence of Pd(OAc)(2).
引用
收藏
页码:308 / 312
页数:5
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