Ni(i)-Ni(iii) cycle in Buchwald-Hartwig amination of aryl bromide mediated by NHC-ligated Ni(i) complexes

Takahiro Inatomi, Yukino Fukahori, Yuji Yamada, Ryuta Ishikawa, Shinji Kanegawa, Yuji Koga, Kouki Matsubara

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Intermediate amide complexes of NHC-ligated monovalent nickel in Buchwald-Hartwig amination of aryl halides were isolated and structurally characterized. The amide complexes reacted with aryl bromide to form a cross-coupling product. Lowerature observation of the oxidative addition product of the Ni(i) amide complex with aryl bromide indicated the presence of a Ni(iii) intermediate. The results showed that a well-defined mononuclear NHC-Ni(i) complex can act as a key intermediate in homogeneous catalysis.

Original languageEnglish
Pages (from-to)1784-1793
Number of pages10
JournalCatalysis Science and Technology
Volume9
Issue number8
DOIs
Publication statusPublished - Jan 1 2019

All Science Journal Classification (ASJC) codes

  • Catalysis

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