Molybdenum Chalcogenobenzimidato Complexes: Radical Synthesis and Nitrile Extrusion via β-EPh (E = S, Se, and Te) Elimination

Arjun Mendiratta, Christopher C. Cummins, Olga P. Kryatova, Elena V. Rybak-Akimova, James E. McDonough, Carl B. Hoff

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18 Scopus citations

Abstract

Molybdenum chalcogenobenzimidates of formula (Ph[PhE]C=N)-Mo(N[t-Bu]Ar)3 (Ar = 3,5-C6H 3Me2) have been obtained by treatment of Mo(N[t-Bu]Ar)3 sequentially with benzonitrile and 0.5 equiv of PhEEPh (E = S, Se, and Te). Molecular structure determinations have been carried out for the S and Se variants. The Te variant extrudes PhCN forming structurally characterized (PhTe)Mo(N[t-Bu]Ar)3 with facility assessed via stopped-flow kinetic measurements, while the Se and S analogues exhibit increasing stability. Quantum chemical calculations and solution calorimetry have been employed as an aid to interpretation of the PhCN extrusion reaction.

Original languageEnglish (US)
Pages (from-to)8621-8623
Number of pages3
JournalInorganic Chemistry
Volume42
Issue number26
DOIs
StatePublished - Dec 29 2003

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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