Synthesis of conjugated 2-arylethynyl and 2-arylethenyl thiophene structures with optical properties

被引：15

作者：

Rodríguez, JG ^{[1
]}

Lafuente, A ^{[1
]}

Rubio, L ^{[1
]}

机构：

[1] Univ Autonoma Madrid, Dept Quim Organ, E-28049 Madrid, Spain

来源：

TETRAHEDRON LETTERS | 2004年 / 45卷 / 29期

关键词：

arylethynyl and arylethenylthiophene structures; pi-extended conjugation; fluorescence analysis; Eglinton-Glaser; Cadiot-Chodkiewicz and Sonogashira reaction;

D O I：

10.1016/j.tetlet.2004.05.104

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Conjugated mono(arylethynyl)oligothiophene structures have been obtained starting with (E)-[1-(2'-thienyl)-2-(p-phenyl)]ethyne (E)-7 and 2-[p-(iodophenyl)ethynyl]thiophene 8. Conjugated nanostructures were synthesized by oxidative coupling between the terminal acetylenes (E)-7 and 8 to give, respectively, 1,4-di[(2-p-(iodophenyl)ethynyl)thienyl]-1,3-butadiyne and 1,4-di[(2-p-iodophenylethynyl)thienyl]-1,3-butadiyne. All the thiophene derivatives synthesized show an important fluorescence radiation emission, with a bathochromic shift, which increases with the conjugation of the chain. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：5685 / 5688

页数：4

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