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Synfacts 2014; 10(1): 0106
DOI: 10.1055/s-0033-1340398
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

Cu2O/Cu-CNTs Catalyzed the O-Arylation of Phenols with Aryl Halides

Contributor(s):
Yasuhiro Uozumi
,
Shiguang Pan
Zhang Y.-P, * Jiao Y.-C, Yang Y.-S, * Li C.-L. Lanzhou University of Technology, P. R. of China
Ligand-Free Catalytic System for the Synthesis of Diarylethers over Cu2O/Cu-CNTs as Heterogeneous Reusable Catalyst.

Tetrahedron Lett. 2013;
54: 6494-6497
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Further Information

Publication History

Publication Date:
13 December 2013 (online)

 
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Key words

phenols - aryl halides - O-arylation - diaryl ethers

Significance

Cu2O/Cu-Coated carbon nanotubes (Cu2O/Cu-CNTs) catalyzed the O-arylation of phenols with aryl halides under ligand-free conditions to give the corresponding diaryl ethers in up to 97% yield (20 examples).


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Comment

Cu2O/Cu-CNTs were recovered by filtration and reused three times without significant loss of catalytic activity. Lee and co-workers have previously reported the preparation and characterization of Cu2O/Cu-CNTs (Scr. Mater. 2008, 58, 1010).


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