A Convenient Synthesis of Dithieno[3,2-b:2′,3′-d]thiophenes from Thiophene

被引：10
|
作者：
Park, Kyung Hyun [1 ]
Park, Joon Bum [1 ]
Zong, Kyukwan [1 ]
机构：
[1] Chonbuk Natl Univ, Dept Chem Educ, Div Sci Educ, Inst Fus Sci, Jeonju 561756, Jeonbuk, South Korea
来源：
SYNTHESIS-STUTTGART | 2016年 / 48卷 / 23期
关键词：
thiophene; oligothiophenes; double annulations; tetraiodothiophene; semiconductors; STACKED ORGANIC SEMICONDUCTOR; CATALYZED C-S; FUSED THIOPHENES; HIGH-PERFORMANCE; DERIVATIVES; MONO; DTT; BIS;
D O I：
10.1055/s-0035-1562531
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new synthetic method for dithieno[3,2-b:2',3'-d]thiophenes was developed. The approach involves three steps starting from thiophene: tetraiodation of thiophene, selective dialkynylations on the 2,5-positions of the tetraiodothiophene, and finally CuI/TMEDA catalyzed double annulations of 2,5-dialkynyl-3,4-diiodothiophenes by Na2S, to afford dithieno[3,2-b: 2', 3'-d] thiophene and its derivatives.
引用
收藏
页码：4126 / 4130
页数：5
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