Homologous series of regioregular alkylsubstituted oligothiophenes up to an 11-mer

被引:32
作者
Krömer, J [1 ]
Bäuerle, P [1 ]
机构
[1] Univ Ulm, Dept Organ Chem Organ Mat & Combinatorial Chem 2, D-89081 Ulm, Germany
关键词
conjugated oligomers; oligothiophenes; metal-catalyzed cross-coupling reactions;
D O I
10.1016/S0040-4020(01)00254-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A complete series of structurally well-defined butylated oligothiophenes up to an Il-mer was synthesized by a combination of aryl-aryl cross-coupling reactions and cyclization of 1,3-butadiyne precursors with sulfide anions. Palladium-catalyzed cross-coupling of halogenated thiophene units with trimethylsilylacetylene effectively yields ethynylated thiophenes which after deprotection are oxidatively coupled to the corresponding 1,3-butadiynes. (C) 2001 Published by Elsevier Science Ltd.
引用
收藏
页码:3785 / 3794
页数:10
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