Selective aerobic oxidation of amines to imines by TiO2 photocatalysis in water

Ning Li; Xianjun Lang; Wanhong Ma; Hongwei Ji; Chuncheng Chen; Jincai Zhao

doi:10.1039/C3CC41407H

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Selective aerobic oxidation of amines to imines by TiO₂ photocatalysis in water†

Ning Li,^a Xianjun Lang,^a Wanhong Ma,^a Hongwei Ji,^a Chuncheng Chen*^a and Jincai Zhao^a

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* Corresponding authors

^a Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: ccchen@iccas.ac.cn

Abstract

Selective oxidation of benzylic amines to imines with atmospheric O₂ is achieved in water on TiO₂ under UV irradiation. The afforded imine could be easily separated and TiO₂ can be recycled by filtration. To scale up, gram-scale imine products can be obtained.

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Article information

DOI: https://doi.org/10.1039/C3CC41407H
Article type: Communication
Submitted: 23 Feb 2013
Accepted: 11 Apr 2013
First published: 11 Apr 2013

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Chem. Commun., 2013,49, 5034-5036

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Selective aerobic oxidation of amines to imines by TiO₂ photocatalysis in water

N. Li, X. Lang, W. Ma, H. Ji, C. Chen and J. Zhao, Chem. Commun., 2013, 49, 5034 DOI: 10.1039/C3CC41407H

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Chemical Communications