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Synfacts 2014; 10(8): 0877
DOI: 10.1055/s-0034-1378469
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

Ligand-Controlled Copper-Catalyzed Oxidation of Benzylamines with Oxygen

Contributor(s):
Yasuhiro Uozumi
,
Makoto Nagaosa
Wang J, Lu S, Cao X, * Gu H. * Soochow University, Suzhou, P. R. of China
Common Metal of Copper(0) as an Efficient Catalyst for Preparation of Nitriles and Imines by Controlling Additives.

Chem. Commun. 2014;
50: 5637-5640
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Publication History

Publication Date:
18 July 2014 (online)

 
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Key words

red copper - benzylamines - oxidation - nitriles - imines

Significance

Commercially available red copper catalyzed the oxidation of benzylamines with molecular dioxygen in the presence of isoquinoline or 1,10-phenanthroline to give the corresponding benzonitriles (eq. 1) or dibenzylimines (eq. 2).


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Comment

The SEM analyses of the catalyst before and after the reaction showed that the surface of the catalyst was roughened during the ­reaction to suggest leaching of copper.


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