Journal
TETRAHEDRON LETTERS
Volume 44, Issue 8, Pages 1541-1544Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(03)00023-6
Keywords
biaryls; boron; homocoupling; oxygen; palladium
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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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