Dehydrogenative coupling reactions catalysed by Rose Bengal using visible light irradiation

被引：238
|
作者：
Pan, Yuanhang [1 ]
Kee, Choon Wee [1 ]
Chen, Li [1 ]
Tan, Choon-Hong [1 ]
机构：
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
来源：
GREEN CHEMISTRY | 2011年 / 13卷 / 10期
关键词：
C-H BOND; PHOTOREDOX CATALYSIS; HIGHLY EFFICIENT; TERTIARY-AMINES; ORGANIC-DYES; METAL-FREE; ABSORPTION; PHOTOPOLYMERIZATION; KETONES;
D O I：
10.1039/c1gc15489c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Rose Bengal, an organic dye, was demonstrated to be a photoredox catalyst for dehydrogenative coupling reactions using visible light irradiation. alpha-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.
引用
收藏
页码：2682 / 2685
页数：4
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