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

页码：4126 / 4130

页数：5

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