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

Gibson, D.I. and Parkinson, J.A. and Jones, A.C. and Ebenezer, W.J. and Hutchings, M.G. (2008) Reversible cyclisation of a sulfonated arylazo compound containing an o-acetylamino substituent. Tetrahedron Letters, 49 (8). pp. 1388-1392. ISSN 0040-4039 (http://dx.doi.org/10.1016/j.tetlet.2007.12.081)

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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.

ORCID iDs

Gibson, D.I., Parkinson, J.A. ORCID logoORCID: https://orcid.org/0000-0003-4270-6135, Jones, A.C., Ebenezer, W.J. and Hutchings, M.G.;
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