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Letters in Organic Chemistry

Author(s): Fengtian Wu, Chenlong Nan, Jianwei Xie and Mingyang Ma*

DOI: 10.2174/1570178617666200210110041

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2,5-Dihydroxyterephthalic Acid Accelerated Cu(NO3)2.3H2O-Catalyzed Homocoupling Reaction of Arylboronic Acids

Page: [877 - 883] Pages: 7

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Abstract

A catalyst system derived from commercially available Cu(NO3)2.3H2O and 2,5- dihydroxyterephthalic acid is applied to the homocoupling reaction of arylboronic acids. This transformation provides a convenient approach to symmetrical biaryls with good to excellent yields (39%- 95%), and exhibits good functional group compatibility. Furthermore, biaryl can be prepared in gram quantities in good yield.

Keywords: Arylboronic acid, biaryl, ligand, copper, homocoupling reaction, acid.