Synthesis and characterization of group 5 imido complexes supported by the 2,6-dichloroaryl β-diketiminato ligand

Michael Nechayev, Benjamin M. Kriegel, Thomas L. Gianetti, Robert G. Bergman, John Arnold

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The synthesis of niobium and tantalum imido complexes supported by the bis-N,N-(2,6-dichlorophenyl)-β-diketiminate ligand (BDICl) is reported. Metal chloride complexes (BDICl)M(NtBu)Cl2py (1: Nb, 2: Ta) were obtained in good yield following the treatment of M(NtBu)Cl3py2 with Li(BDICl). Complexes 1-2 were used as precursors for the formation of the dimethylated complexes (BDICl)M(NtBu)Me2 (3: M = Nb, 4: M = Ta). The new complexes 1-4 were characterized by X-ray crystallography and variable temperature NMR spectroscopy. In addition, the tantalum dialkyl imido complexes (BDICl)Ta(NtBu)Bn2 (5) and (BDICl)Ta(NtBu)(CH2SiMe3)2 (6) were prepared and characterized by NMR spectroscopy.

Original languageEnglish (US)
Pages (from-to)114-119
Number of pages6
JournalInorganica Chimica Acta
Volume422
DOIs
StatePublished - Oct 1 2014
Externally publishedYes

Keywords

  • Imido complex
  • Nacnac
  • Niobium
  • Tantalum

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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