Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2011, Issue 13, Pages 2519-2523Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201001729
Keywords
Boron; Biaryls; Copper; C-C coupling; Homogeneous catalysis
Categories
Funding
- National Natural Science Foundation of China [21021001, 21072134]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT0846]
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Homocoupling of arylboronic acids has been successfully carried out by using the inexpensive simple copper salt CuCl as the catalyst in methanol to obtain symmetric biaryls in good to excellent yields. The reaction proceeds with a CuCl loading of 2 mol-% under extremely mild conditions: in air, at room temperature, without the need of any additives such as base, oxidant, or ligand.
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