Reaction of peroxynitrite with carbon dioxide: intermediates and determination of the yield of CO3 •– and NO2 •

@article{Meli2001ReactionOP,
  title={Reaction of peroxynitrite with carbon dioxide: intermediates and determination of the yield of CO3 •– and NO2 •},
  author={Roger Meli and Thomas Nauser and Petr Latal and Willem H Koppenol},
  journal={JBIC Journal of Biological Inorganic Chemistry},
  year={2001},
  volume={7},
  pages={31-36}
}
CO2 catalyses the isomerization of the biological toxin ONOO– to NO3 – via an intermediate, presumably ONOOCO2 –, which has an absorption maximum near 650 nm. The reflection spectrum of solid NMe4 +ONOO– exposed to CO2 shows a similar band near 650 nm; this absorption decays over minutes. Stopped-flow experiments in which CO2 solutions were mixed with alkaline ONOO– solutions indicate the formation of at least one intermediate. The initial absorption at 302 nm is less than that of ONOO–, which… CONTINUE READING

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