Synthesis of alkylated benzo[2,1-b:3,4-b′]dithiophenes by annulative coupling and their direct arylation under palladium catalysis

被引：9
|
作者：
Watanabe, Hiroyuki [1 ]
Kumagai, Jun [1 ]
Tsurugi, Hayato [1 ]
Satoh, Tetsuya [1 ]
Miura, Masahiro [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Osaka 5650871, Japan
来源：
CHEMISTRY LETTERS | 2007年 / 36卷 / 11期
关键词：
D O I：
10.1246/cl.2007.1336
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The annulative coupling of 3,3'-diiodo-2,2'-bithiophene with internal alkynes efficiently proceeds in the presence of a palladium catalyst to afford the corresponding benzo[2,1-b:3,4-b']dithiophene derivatives. The dithiophenes also undergo palladium-catalyzed direct arylation with aryl bromides at the 2- and 7-positions selectively.
引用
收藏
页码：1336 / 1337
页数：2
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