Issue 14, 2013
From the journal:

Organic & Biomolecular Chemistry

Synthesis of green and blue fluorescent ladder-type conjugated imidazolium compounds†

Koji Takagi,*a   Yohei Ito,a   Kazuma Kusafukaa  and  Masanori Sakaidaa  

* Corresponding authors

a Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan
E-mail: takagi.koji@nitech.ac.jp
Tel: +81-52-735-5264

Abstract

The synthetic route to ladder-type conjugated imidazolium compounds consisting of Suzuki coupling, chlorination, and intramolecular cyclization reactions was developed. The optical properties of materials and theoretical calculations were investigated to demonstrate that methylene- and ethylene-bridged imidazolium compounds show green and blue fluorescence, respectively. The coordination ability of the counter anion had an influence on the solubility and fluorescence quantum yield of the compounds.

Graphical abstract: Synthesis of green and blue fluorescent ladder-type conjugated imidazolium compounds

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Article information

DOI
https://doi.org/10.1039/C3OB40164B
Article type
Communication
Submitted
25 Jan 2013
Accepted
14 Feb 2013
First published
18 Feb 2013

Org. Biomol. Chem., 2013,11, 2245-2248

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Synthesis of green and blue fluorescent ladder-type conjugated imidazolium compounds

K. Takagi, Y. Ito, K. Kusafuka and M. Sakaida, Org. Biomol. Chem., 2013, 11, 2245 DOI: 10.1039/C3OB40164B

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