Photocatalytic oxidation of iron(II) complexes by dioxygen using 9-mesityl-10-methylacridinium ions

Takeshi Tsudaka; Kei Ohkubo; Shunichi Fukuzumi

doi:10.1039/C6CC00359A

Photocatalytic oxidation of iron(ii) complexes by dioxygen using 9-mesityl-10-methylacridinium ions†

Takeshi Tsudaka,^a Kei Ohkubo*^ab and Shunichi Fukuzumi*^abc

* Corresponding authors

^a Department of Material and Life Science, Graduate School of Engineering, Osaka University, ALCA and SENTAN, Japan Science and Technology Agency (JST), Suita, Osaka 565-0871, Japan
E-mail: ookubo@chem.eng.osaka-u.ac.jp
Fax: +81-6-6879-7370

^b Department of Chemistry and Nano Science, Ewha Womans University, Seoul 120-750, Korea
E-mail: fukuzumi@chem.eng.osaka-u.ac.jp

^c Faculty of Science and Technology, Meijo University, ALCA and SENTAN, Japan Science and Technology Agency (JST), Nagoya, Aichi 468-8502, Japan

Abstract

Photocatalytic oxidation of iron(II) complexes by dioxygen occurred using the organic photocatalysts, 9-mesityl-10-methylacridinium ions (Acr⁺-Mes) and 2-phenyl-4-(1-naphthyl) quinolinium ions (QuPh⁺-NA), in the presence of triflic acid in acetonitrile under visible light irradiation. The electron-transfer state of Acr⁺-Mes produced upon photoexcitation oxidized the iron(II) complexes, whereas it reduced dioxygen with protons to produce iron(III) complexes and H₂O₂.

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DOI: https://doi.org/10.1039/C6CC00359A
Article type: Communication
Submitted: 14 Jan 2016
Accepted: 30 Mar 2016
First published: 30 Mar 2016
This article is Open Access

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Chem. Commun., 2016,52, 6178-6180

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Photocatalytic oxidation of iron(II) complexes by dioxygen using 9-mesityl-10-methylacridinium ions

T. Tsudaka, K. Ohkubo and S. Fukuzumi, Chem. Commun., 2016, 52, 6178 DOI: 10.1039/C6CC00359A

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Chemical Communications

Photocatalytic oxidation of iron(ii) complexes by dioxygen using 9-mesityl-10-methylacridinium ions†

Abstract

Supplementary files

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Photocatalytic oxidation of iron(II) complexes by dioxygen using 9-mesityl-10-methylacridinium ions

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