Issue 10, 2011
From the journal:

Green Chemistry

Dehydrogenative coupling reactions catalysed by Rose Bengal using visible light irradiation†‡§

Yuanhang Pan,a   Choon Wee Kee,a   Li Chena  and  Choon-Hong Tan*a  

* Corresponding authors

a Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore
E-mail: chmtanch@nus.edu.sg
Fax: (+65) 6779 1691
Tel: (+65) 6516 2845

Abstract

Rose Bengal, an organic dye, was demonstrated to be a photoredox catalyst for dehydrogenative coupling reactions using visible light irradiation. α-Functionalised tertiary amines were obtained with good to excellent yields. Air is essential for this reaction and acts as the terminal oxidant. This is an environmentally friendly C–H functionalisation methodology that avoids the use of metal catalysts and stoichiometric amount of peroxo-compounds.

Graphical abstract: Dehydrogenative coupling reactions catalysed by Rose Bengal using visible light irradiation

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Article information

DOI
https://doi.org/10.1039/C1GC15489C
Article type
Communication
Submitted
02 May 2011
Accepted
20 Jul 2011
First published
19 Aug 2011

Green Chem., 2011,13, 2682-2685

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Dehydrogenative coupling reactions catalysed by Rose Bengal using visible light irradiation

Y. Pan, C. W. Kee, L. Chen and C. Tan, Green Chem., 2011, 13, 2682 DOI: 10.1039/C1GC15489C

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