Journal
TETRAHEDRON
Volume 68, Issue 5, Pages 1466-1474Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.12.017
Keywords
Terminal olefin; Palladium acetate; Diarylation; Silver salt; Acetic acid
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Funding
- Natural Science Foundation of China [21072170]
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A palladium-catalyzed Heck diarylation of terminal olefins under ligand-free conditions in acetic acid is described. This procedure allows double arylation of terminal olefins affording trisubstituted olefins in good to excellent yields. The methodology is applicable to the coupling of both electron-deficient and electron-rich aryl iodides leading to symmetrical and unsymmetrical beta,beta-diarylated alkenes. (C) 2011 Elsevier Ltd. All rights reserved.
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