Ru catalyzed cyclodimerization of bis(2-thienyl)acetylene and bis(3-thienyl)acetylene.: Synthesis and properties of 4,5,6-tris(2-thienyl)benzo[b]thiophene and 5,6,7-tris(3-thienyl)benzo[b]thiophene

被引：8
|
作者：
Lu, P
Cai, GP
Li, J
Weber, WP [1 ]
机构：
[1] Univ So Calif, Dept Chem, Hydrocarbon Res Inst, Los Angeles, CA 90089 USA
[2] Zhejiang Univ, Dept Chem, Hangzhou 310028, Peoples R China
[3] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310028, Peoples R China
来源：
JOURNAL OF HETEROCYCLIC CHEMISTRY | 2002年 / 39卷 / 01期
关键词：
D O I：
10.1002/jhet.5570390112
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Activated dihydridocarbonyltris(triphenylphosphine)ruthenium catalyzes the cyclodimerization of both bis(2-thienyl)acetylene and bis(3-thienyl)acetylene to yield, respectively, 4,5,6-tris(2'-thienyl)benzo[b]thiophene and 5,6,7-tris(3'-thienyl)benzo[b]thiophene. These fluoresce in the blue. Both undergo irreversible one electron oxidation at similar to1.1 mV versus Ag/Ag+ electrode, consistent with oxidation of the benzo[b]thiophene nuclei rather than the substituent thiophene rings.
引用
收藏
页码：91 / 92
页数：2
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