Parallel Synthesis of a Multi-Substituted Benzo[b]furan Library

被引:65
作者
Cho, Chul-Hee [1 ]
Neuenswander, Benjamin [2 ,3 ]
Lushington, Gerald H. [2 ,3 ]
Larock, Richard C. [1 ]
机构
[1] Iowa State Univ, Dept Chem, Ames, IA 50011 USA
[2] Univ Kansas, NIH, Ctr Excellence Chem Methodol, Lawrence, KS 66047 USA
[3] Univ Kansas, NIH, Lib Dev, Lawrence, KS 66047 USA
来源
JOURNAL OF COMBINATORIAL CHEMISTRY | 2008年 / 10卷 / 06期
基金
美国国家卫生研究院;
关键词
D O I
10.1021/cc800120y
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The solution-phase parallel synthesis of a 121-member library of multi-substituted benzo[b]furans is described. 2.3,5-Trisubstituted benzo[b]furans have been prepared by the palladium-catalyzed substitution of 3-iodobenzofurans by Suzuki-Miyaura, carbonylative Suzuki, Sonogashira, Heck, and carboalkoxylation chemistry. The 3-iodobenzofurans are readily prepared in good to excellent yields by the palladium/copper-catalyzed cross-coupling of various o-iodoanisoles and terminal alkynes, followed by electrophilic cyclization with ICI.
引用
收藏
页码:941 / 947
页数:7
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