Synthesis of 2,5-di(2-thienyl)-1H-pyrrole N-linked with conjugated bridges

被引：86

作者：

Just, PE ^{[1
]}

Chane-Ching, KI ^{[1
]}

Lacaze, PC ^{[1
]}

机构：

[1] Univ Paris 07, CNRS, UMR 7086, F-75005 Paris, France

来源：

TETRAHEDRON | 2002年 / 58卷 / 18期

关键词：

pyrrole; thiophene; heterocycles; Knorr-Paal reaction;

D O I：

10.1016/S0040-4020(02)00328-9

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The Knorr-Paal reaction of 1,4-di(2-thienyl)-1,4-butanedione with anilines to yield N-substituted-2,5-di-(2-thienyl)-1H-pyrroles (SNS derivatives) was tested by using different acid catalysts in toluene and acetic acid. Di-SNS derivatives were also synthesized in toluene at reflux in the presence of propionic acid, these mild conditions giving acceptable yields in a one-step procedure. (C) 2002 Elsevier Science Ltd. All rights reserved.

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收藏

页码：3467 / 3472

页数：6

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