A new green catalytic method for biaryl cross-coupling and oligothiophene synthesis

被引：12
|
作者：
Sévignon, M [1 ]
Hassan, J [1 ]
Gozzi, C [1 ]
Schulz, E [1 ]
Lemaire, M [1 ]
机构：
[1] Univ Lyon 1, CPE Lyon, Lab Catalyse & Synth Organ, UMR 5622, F-69622 Villeurbanne, France
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE C-CHIMIE | 2000年 / 3卷 / 07期
关键词：
Heck reaction; aryl-aryl cross-coupling; thiophene derivatives; oligomerization;
D O I：
10.1016/S1387-1609(00)00151-1
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The direct aryltion of activated thiophenes is achieved in moderate to good yields using a Heck-type reaction with a mixture of Pd(OAc)(2), n-Bu4NBr and a base as catalytic system. This new procedure is applied to different 2- and 3-substituted thiophenes, and parameters of thr reaction are studied. Based on these results, 3 new method for polymerization of various 2 -halogeno-3-alkylthiophenes is described using the same catalytic system and leading to expected regioregular functionalized oligomers with good yields.
引用
收藏
页码：569 / 572
页数：4
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