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Communication | Regular issue | Vol 75, No. 3, 2008, pp.531-536
Published online, 16th November, 2007
DOI: 10.3987/COM-07-11226
Synthesis and Spectroscopic Properties of 2,5-Bis(benzoazol-2-yl)pyrazines

Ryota Saito,* Shinnosuke Machida, Saori Suzuki, and Akira Katoh

*Department of Materials and Life Science, Seikei University, 3-3-1 Kichijoji-kitamachi, Musashino, Tokyo 180-8633, Japan


A class of p-conjugated 2,5-bis(benzoazol-2-yl)pyrazine dyes have been synthesized in which 2,5-bis(benzimidazol-2-yl)pyrazine (1) exhibits strong fluorescence in solution. The enhanced fluorescence of 1 with a base leads to future applications such as anion sensing feasible upon chemical modification.