N−N Bond Forming Reductive Elimination via a Mixed-Valent Nickel(II)–Nickel(III) Intermediate

Justin B. Diccianni, Chunhua Hu, Tianning Diao

Research output: Contribution to journalArticle

Abstract

Natural products containing N–N bonds exhibit important biological activity. Current methods for constructing N−N bonds have limited scope. An advanced understanding of the fundamental N−N bond formation/cleavage processes occurring at the transition-metal center would facilitate the development of catalytic reactions. Herein we present an N−N bond-forming reductive elimination, which proceeds via a mixed-valent NiII–NiIIIintermediate with a Ni–Ni bond order of zero. The discrete NiII–NiIIIoxidation states contrast with the cationic dimeric Ni analogue, in which both Ni centers are equivalent with an oxidation state of 2.5. The electronic structures of these mixed-valent complexes have implications for the fundamental understanding of metal–metal bonding interactions.

Original languageEnglish (US)
Pages (from-to)7534-7538
Number of pages5
JournalAngewandte Chemie - International Edition
Volume55
Issue number26
DOIs
StatePublished - 2016

Keywords

  • N−N bond formation
  • metal–metal bonding
  • mixed-valent compounds
  • nickel
  • reductive elimination

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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