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Issue 8, 2017
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Blue light mediated C–H arylation of heteroarenes using TiO2 as an immobilized photocatalyst in a continuous-flow microreactor

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Abstract

Titanium dioxide was applied as an immobilized photocatalyst in a microstructured falling film reactor for the continuous-flow C–H arylation of heteroarenes with aryldiazonium salts as the starting material. Detailed investigations of the catalyst and a successful long-term run proved its excellent usability for this process. Very good yields up to 99% were achieved with broad substrate scope and were compared with batch synthesis. The transfer to the continuous-flow mode revealed an impressive boost in reactor performance solely resulting from the improved irradiation and contact of the catalyst, substrate and light.

Graphical abstract: Blue light mediated C–H arylation of heteroarenes using TiO2 as an immobilized photocatalyst in a continuous-flow microreactor

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Supplementary files

Article information


Submitted
15 Feb 2017
Accepted
16 Mar 2017
First published
30 Mar 2017

This article is Open Access

Green Chem., 2017,19, 1911-1918
Article type
Paper

Blue light mediated C–H arylation of heteroarenes using TiO2 as an immobilized photocatalyst in a continuous-flow microreactor

D. C. Fabry, Y. A. Ho, R. Zapf, W. Tremel, M. Panthöfer, M. Rueping and T. H. Rehm, Green Chem., 2017, 19, 1911
DOI: 10.1039/C7GC00497D

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