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Synthesis and photophysical properties of selenopheno[2,3-b]quinoxaline and selenopheno[2,3-b]pyrazine heteroacenes

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Abstract

In this paper, we report the novel synthesis of three different heterocycles, namely 2-arylselenopheno[2,3-b]quinoxaline, 3-(aryl/alkylselanyl)-2-arylselenopheno[2,3-b]quinoxaline and 6-phenyl-7-(arylselanyl)selenopheno[2,3-b]pyrazine derivatives, from the corresponding 2,3-dichloroquinoxaline and 2,3-dichloropyrazine derivatives. Furthermore, photophysical properties were investigated to study the effect of heteroatoms on UV-absorbance and fluorescence properties.

Graphical abstract: Synthesis and photophysical properties of selenopheno[2,3-b]quinoxaline and selenopheno[2,3-b]pyrazine heteroacenes

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Article information


Submitted
06 Apr 2020
Accepted
04 May 2020
First published
05 May 2020

Org. Biomol. Chem., 2020, Advance Article
Article type
Paper

Synthesis and photophysical properties of selenopheno[2,3-b]quinoxaline and selenopheno[2,3-b]pyrazine heteroacenes

A. D. Sonawane, A. Shimozuma, T. Udagawa, M. Ninomiya and M. Koketsu, Org. Biomol. Chem., 2020, Advance Article , DOI: 10.1039/D0OB00718H

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