Dinitrogen borylation with group 4 metallocene complexes

Scott P. Semproni, Paul J. Chirik

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20 Scopus citations


Borylation of hafno-and zirconocene complexes [(η5-C 5H2- 1,2,4-Me3)2M] 2222-N 2), containing strongly activated dinitrogen ligands, with pinacolborane (HBPin) resulted in N-B and M-H bond formation. Treatment of the borylated products with carbon monoxide triggered N-N bond scission with concomitant N-C bond formation to produce μ-borylimido and μ-formamidido fragments. Conversely, addition of tBuNC resulted in insertion of the isocyanide ligand into the M-H bonds and furnished the corresponding η2- iminoacylhafnocene complexes.

Original languageEnglish (US)
Pages (from-to)3907-3915
Number of pages9
JournalEuropean Journal of Inorganic Chemistry
Issue number22-23
StatePublished - 2013

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry


  • Boranes
  • Hafnium
  • Metallocenes
  • Nitrogen fixation


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