Visible light-catalytic dehydrogenation of benzylic alcohols to carbonyl compounds by using an eosin Y and nickel–thiolate complex dual catalyst system

We developed a simple and environmentally benign visible-light-driven dehydrogenation of benzylic alcohols to the corresponding aldehydes or ketones. By using the dual catalyst system consisting of eosin Y as a photocatalyst and a Ni( ii ) complex as a proton reduction catalyst, we could dehydrogena...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2019, Vol.21 (6), p.1401-1405
Main Authors: Yang, Xiu-Jie, Zheng, Yi-Wen, Zheng, Li-Qiang, Wu, Li-Zhu, Tung, Chen-Ho, Chen, Bin
Format: Article
Language:English
Subjects:
Alcohol
Alcohols
Aldehydes
Carbonyl compounds
Carbonyls
Catalysis
Catalysts
Dehydrogenation
Green chemistry
Information systems
Ketones
Nickel
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Summary:We developed a simple and environmentally benign visible-light-driven dehydrogenation of benzylic alcohols to the corresponding aldehydes or ketones. By using the dual catalyst system consisting of eosin Y as a photocatalyst and a Ni( ii ) complex as a proton reduction catalyst, we could dehydrogenate benzylic alcohols to aldehydes or ketones with excellent yields under mild conditions. The sole byproduct is hydrogen gas.
ISSN:1463-9262
1463-9270
DOI:10.1039/C8GC03828G