Synthesis and polymerization of 3,3′-dialkyl-2,2′-bithiophenes

被引：39
|
作者：
Hoffmann, KJ
Bakken, E
Samuelsen, EJ
Carlsen, PHJ [1 ]
机构：
[1] Norwegian Univ Sci & Technol, Dept Chem, Trondheim, Norway
[2] Norwegian Univ Sci & Technol, Dept Phys, N-7491 Trondheim, Norway
来源：
SYNTHETIC METALS | 2000年 / 113卷 / 1-2期
关键词：
conjugated polymers; heterocycle synthesis; polythiophene and derivatives;
D O I：
10.1016/S0379-6779(00)00183-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of 3,3'-dialkyl-2,2'-bithiophenes (DAT2s) has been synthesized by the nickel-catalyzed Kumada coupling of 2-bromo-3-alkylthiophene with 2-(3-alkylthienyl) magnesium bromide. These monomers were analyzed by NMR and UV-Vis spectroscopies. The monomers were oxidatively polymerized with iron(III) chloride to yield the respective pi-conjugated poly(3,3'-dialkyl-2,2'-bithiophene)s. The new polymers were characterized with H-1 NMR and UV-Vis spectroscopies. Conductivity was in the order of 10-10(2) S/cm, depending upon the length of the alkyl chain. (C) 2000 Elsevier Science S.A. All rights reserved.
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收藏
页码：39 / 44
页数：6
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