A convenient and improved synthesis of dithieno[3,2-b:2′,3′-d]thiophene

被引：54

作者：

Allared, F ^{[1
]}

Hellberg, J ^{[1
]}

Remonen, T ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Organ Chem, S-10044 Stockholm, Sweden

来源：

TETRAHEDRON LETTERS | 2002年 / 43卷 / 08期

关键词：

D O I：

10.1016/S0040-4039(02)00006-0

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

An improved synthesis of dithieno[3,2-b:2',3'- d]thiophene 1 is presented. By starting from in 2,3-dibromothiophene 2 the total yield as improved front 35 to 58%. We also describe a more convenient synthesis of one of the reagents. benzenesulfonic acid thioanhydride 3. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：1553 / 1554

页数：2

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