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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 49, 2019 - Issue 6
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Articles

Ligand-free copper-catalyzed O-arylation of arenesulfonamides with phenols: An unusual approach to biaryl ether synthesis

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Pages 836-843 | Received 16 Aug 2018, Accepted 23 Jan 2019, Published online: 16 Feb 2019
 

Abstract

An unprecedented ligand-free copper-catalyzed O-arylation of arenesulfonamides with phenols has been developed. Thus, a range of unsysmmetric biaryl ethers were synthesized in excellent yields. The reaction occurs efficiently with excellent regioselectivity through the cleavage of Cary-S bond and with a good tolerance of functional groups on the phenyl ring of phenols. The reaction is appreciated for its readily accessible substrates, mild conditions, and simple operation under air.

Graphical Abstract

Additional information

Funding

We are grateful for the financial support from the National Natural Science Foundation of China [Grant No. 21762022] and Foundation of Jiangxi Educational Committee [Grant No. GJJ160287].

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