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Homocoupling of Arylboronic Acids Catalyzed by CuCl in Air at Room Temperature
Author(s) -
Cheng Guanjun,
Luo Meiming
Publication year - 2011
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.201001729
Subject(s) - chemistry , catalysis , methanol , salt (chemistry) , base (topology) , copper , ligand (biochemistry) , polymer chemistry , inorganic chemistry , organic chemistry , combinatorial chemistry , mathematical analysis , biochemistry , receptor , mathematics
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.