Issue 17, 2011
From the journal:

Organic & Biomolecular Chemistry

Novel formation of diimidazo[1,2-a:2′,1′-c]quinoxaline derivatives and their optical properties†

Shoji Matsumoto,*a   Erdenebolor Batmunkh,a   Motohiro Akazome,a   Yoshiyuki Takatab  and  Michiko Tamanob  

* Corresponding authors

a Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoicho, Inageku, Chiba, Japan
E-mail: smatsumo@faculty.chiba-u.jp
Fax: +81-43-290-3401
Tel: +81-43-290-3369

b TOYO INK SC HOLDINGS, CO., LTD., 27 Wadai, Tsukuba City, Ibaraki, Japan

Abstract

Reaction of 1,2-di(imidazolyl)benzene treated with n-BuLi proceeded to give diimidazo[1,2-a:2′,1′-c]quinoxaline in the presence of iodine or Pd(PPh3)4. Blue fluorescence was observed from 3,10-diarylated diimidazoquinoxalines with high quantum yield. They were also applied to organic light-emitting devices as emitters, in which the diphenyl derivative emits a nearly pure blue light.

Graphical abstract: Novel formation of diimidazo[1,2-a:2′,1′-c]quinoxaline derivatives and their optical properties

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Article information

DOI
https://doi.org/10.1039/C1OB06002C
Article type
Communication
Submitted
22 Jun 2011
Accepted
01 Jul 2011
First published
01 Jul 2011

Org. Biomol. Chem., 2011,9, 5941-5944

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Novel formation of diimidazo[1,2-a:2′,1′-c]quinoxaline derivatives and their optical properties

S. Matsumoto, E. Batmunkh, M. Akazome, Y. Takata and M. Tamano, Org. Biomol. Chem., 2011, 9, 5941 DOI: 10.1039/C1OB06002C

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