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Bromination of Tetraazaporphine and Its β-Substituted Derivatives Using Pyridine as Solvent and Catalyst

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Abstract

The selectivity and degree of bromination of pyrrole rings in porphyrazine strongly depends on the brominating agent and solvent nature. The reaction of porphyrazine magnesium complex with molecular bromine and N-bromosuccinimide in pyridine gave magnesium complex of dibromotetraazaporphine. Increasing bromine substitution in porphyrazine enhances its acidic properties.

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Authors and Affiliations

  1. Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia

    N. V. Chizhova, O. G. Khelevina, N. Yu. Nikitina & B. D. Berezin

  2. Ivanovo State University of Chemical Technology, Ivanovo, Russia

    N. V. Chizhova, O. G. Khelevina, N. Yu. Nikitina & B. D. Berezin

Authors
  1. N. V. Chizhova
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  2. O. G. Khelevina
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  3. N. Yu. Nikitina
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  4. B. D. Berezin
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Chizhova, N.V., Khelevina, O.G., Nikitina, N.Y. et al. Bromination of Tetraazaporphine and Its β-Substituted Derivatives Using Pyridine as Solvent and Catalyst. Russian Journal of General Chemistry 71, 567–569 (2001). https://doi.org/10.1023/A:1012387302996

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  • DOI: https://doi.org/10.1023/A:1012387302996

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