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Issue 12, 2020
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Chemoselective photocatalytic oxidation of alcohols to aldehydes and ketones by nitromethane on titanium dioxide under violet 400 nm LED light irradiation

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Abstract

In this study, for the first time, nitroalkanes, especially nitromethane, have been used as electron acceptors for the highly chemoselective oxidation of alcohols in the presence of a TiO2 photocatalyst under 400 nm LED irradiation. The reactions showed excellent selectivity for the production of aldehydes. Interestingly, aldehydes such as benzaldehyde and p-methoxybenzaldehyde are stable under the reaction conditions. In the case of the use of 2-nitropropane and 2-methyl-2-nitropropane, the product imine, which is the result of the reaction of the aldehyde with aliphatic amine, is also obtained.

Graphical abstract: Chemoselective photocatalytic oxidation of alcohols to aldehydes and ketones by nitromethane on titanium dioxide under violet 400 nm LED light irradiation

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Article information


Submitted
09 Oct 2019
Accepted
03 Mar 2020
First published
07 Mar 2020

Org. Biomol. Chem., 2020,18, 2326-2330
Article type
Paper

Chemoselective photocatalytic oxidation of alcohols to aldehydes and ketones by nitromethane on titanium dioxide under violet 400 nm LED light irradiation

A. Rahimi Niaraki, M. R. Saraee, F. Kazemi and B. Kaboudin, Org. Biomol. Chem., 2020, 18, 2326
DOI: 10.1039/C9OB02183C

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