SYNTHESIS OF 3,4'-DIARYL-2,2'-BITHIENYLS AND 4,4'-DIARYL-2,2'-BITHIENYLS FROM 2,5-DICHLOROTHIOPHENE

被引：14
作者：
SONE, T
UMETSU, Y
SATO, K
机构：
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1991年 / 64卷 / 03期
关键词：
D O I：
10.1246/bcsj.64.864
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
3,4'-Diaryl-, and 4,4'-diaryl-2,2'-bithienyls, new classes of mixed thiophene-arene oligomers, were synthesized from 2,5-dichlorothiophene via 4-aryl-2-chlorothiophene in three and two steps, respectively. Namely, a Friedel-Crafts type self-condensation of 4-aryl-2-chlorothiophene, followed by catalytic dechlorination, yielded unsymmetrical bithienyls. Homocoupling of 4-aryl-2-chlorothiophene using a nickel-phosphine catalyst gave symmetrical bithienyls.
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页码：864 / 868
页数：5
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