Dinitrogen activation by titanium sandwich complexes

Tamara E. Hanna, Emil Lobkovsky, Paul J. Chirik

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84 Scopus citations


The activation of dinitrogen by titanium sandwich complexes of the general form (η5-C5Me4R)2Ti (R = CHMe2, CMe3, SiMe3) has been systematically investigated. Low-temperature, in situ, solution infrared spectroscopy has allowed detection of monomeric bis-dinitrogen complexes of titanium that are isostructural with more familiar dicarbonyl derivatives. One example, (η5-C5Me4CHMe2)2Ti(N2)2, has alsobeen characterized by X-ray diffraction and reveals weakly activated dinitrogen ligands. From the solution IR data, the relative azophilicity of the titanium sandwich complexes has been established and increases with smaller cyclopentadienyl substituents.

Original languageEnglish (US)
Pages (from-to)14688-14689
Number of pages2
JournalJournal of the American Chemical Society
Issue number45
StatePublished - Nov 17 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Biochemistry
  • Catalysis
  • Colloid and Surface Chemistry


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