Reversible cyclisation of a sulfonated arylazo compound containing an o-acetylamino substituent

D.I. Gibson, J.A. Parkinson, A.C. Jones, W.J. Ebenezer, M.G. Hutchings

Research output: Contribution to journalArticle

Abstract

A sulfonated o-acetylamino arylazo compound unexpectedly cyclised to a cationic benzo-1,2,4-triazinium species under thermal or acid conditions, reversible with base. The same substrate underwent trans to cis-azo photoisomerisation, observable by NMR spectroscopy, under steady state laser irradiation conditions.
Original languageEnglish
Pages (from-to)1388-1392
Number of pages4
JournalTetrahedron Letters
Volume49
Issue number8
DOIs
Publication statusPublished - 18 Feb 2008

Keywords

  • arylazo
  • benzo-1
  • 2
  • 4-triazine
  • cyclisation
  • photoisomerism

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