期刊
ISRAEL JOURNAL OF CHEMISTRY
卷 50, 期 5-6, 页码 630-651出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ijch.201000040
关键词
cross-coupling; palladacycles; palladium; reaction mechanisms
资金
- MICINN [CTQ2010-16088/BQU]
- Consolider Ingenio [CSD2006-0003]
- AGAUR [2009 SGR 47]
- ICIQ Foundation
After being restricted for the intramolecular formation of C-C bonds, the palladium-catalyzed arylation reaction has been extended for the intermolecular synthesis of biaryls systems. Many of these reactions have been demonstrated to proceed by mechanisms that involve a concerted metalation-deprotonation, in which the base plays an important role in the proton abstraction. Other mechanisms based on electrophilic aromatic substitution and on Pd-II/Pd-IV or Pd-II/Pd-III catalytic cycles have also been proposed. This review summarizes the most important recent advancements on the mechanistic understanding of the different types of palladium-catalyzed arylations reactions.
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