期刊
TETRAHEDRON LETTERS
卷 44, 期 8, 页码 1541-1544出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(03)00023-6
关键词
biaryls; boron; homocoupling; oxygen; palladium
Base-free oxidative homocoupling reaction of arylboronic esters has been found to proceed using a catalytic amount of a palladium-1,3-bis(diphenylphosphino)propane (DPPP) complex under an oxygen atmosphere, affording a variety of biaryls in modest to excellent yields. Even arylboronic esters bearing a base-sensitive functional group are applicable to the reaction. (C) 2003 Elsevier Science Ltd. All rights reserved.
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