Chemistry of Heterocyclic Compounds

, Volume 49, Issue 1, pp 177–202 | Cite as

Structure of NH-benzazoles (1H-benzimidazoles, 1H- and 2H-indazoles, 1H- and 2H-benzotriazoles)

  • J. Elguero
  • I. Alkorta
  • R. M. Claramunt
  • P. Cabildo
  • P. Cornago
  • M. Ángeles Farrán
  • M. Ángeles García
  • C. López
  • M. Pérez-Torralba
  • D. Santa María
  • D. Sanz
Article

The structure and properties (crystallography, NMR, theoretical calculations) of the three N-unsubstituted benzazoles (1H-benzimidazoles, 1H- and 2H-indazoles, 1H- and 2H-benzotriazoles) have been reviewed for the period 2000–2012 with some results from previous years. The study of these compounds will greatly increase in the coming years and it is expected that the present review will contribute to it.

Keywords

benzimidazoles benzotriazoles indazoles tautomerism DFT calculations NMR spectroscopy X-ray crystallography 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • J. Elguero
    • 1
  • I. Alkorta
    • 1
  • R. M. Claramunt
    • 2
  • P. Cabildo
    • 2
  • P. Cornago
    • 2
  • M. Ángeles Farrán
    • 2
  • M. Ángeles García
    • 2
  • C. López
    • 2
  • M. Pérez-Torralba
    • 2
  • D. Santa María
    • 2
  • D. Sanz
    • 2
  1. 1.Instituto de Química MédicaCSICMadridSpain
  2. 2.Departamento de Química Orgánica y Bio-Orgánica, Facultad de CienciasUNEDMadridSpain

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