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Issue 57, 2014
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Dicyanopyrazine-derived push–pull chromophores for highly efficient photoredox catalysis

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Abstract

Here, we report dicyanopyrazine (DPZ)-derived push–pull chromophores, easily prepared and tunable organic compounds, as new kinds of photoredox catalysts. In particular, the DPZ derivative H, containing 2-methoxythienyl as electron-donating moiety, exhibits a broad absorption of visible light with an absorption edge up to 500 nm and excellent redox properties, and has been demonstrated as a desirably active and efficient photoredox catalyst in four challenging kinds of photoredox reactions. The amount of catalyst in most reactions is less than 0.1 mol% and even 0.01 mol%, representing the lowest catalyst loading in the current photoredox organocatalysis.

Graphical abstract: Dicyanopyrazine-derived push–pull chromophores for highly efficient photoredox catalysis

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Supplementary files

Article information


Submitted
15 May 2014
Accepted
30 Jun 2014
First published
30 Jun 2014

This article is Open Access

RSC Adv., 2014,4, 30062-30067
Article type
Paper
Author version available

Dicyanopyrazine-derived push–pull chromophores for highly efficient photoredox catalysis

Y. Zhao, C. Zhang, K. F. Chin, O. Pytela, G. Wei, H. Liu, F. Bureš and Z. Jiang, RSC Adv., 2014, 4, 30062
DOI: 10.1039/C4RA05525J

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