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Quinone Imines as Biological Reactive Intermediates

  • D. Porubek
  • M. Rundgren
  • R. Larsson
  • E. Albano
  • D. Ross
  • S. D. Nelson
  • P. Moldéus
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 197)

Abstract

Quinone imines represent a class of biological reactive intermediates that has been the focus of intensive toxicological research in recent years. Two representative quinone imines that have been subjects of research in this laboratory and others are shown in Fig. 1. These quinone imines are of toxicological significance since N-acetyl-p-benzoquinone imine is a postulated reactive intermediate formed during metabolism of the analgesic drug acetaminophen1 while 4-(ethoxyphenyl)-p-benzoquinone imine is a possible reactive intermediate formed during metabolism of the analgesic phenacetin2. While acetaminophen is still widely used, phenacetin has largely been discontinued.

Keywords

Reactive Intermediate Redox Cycling Horse Radish Peroxidase Reactive Metabolite Protein Thiol 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1986

Authors and Affiliations

  • D. Porubek
    • 1
  • M. Rundgren
    • 1
  • R. Larsson
    • 1
  • E. Albano
    • 1
  • D. Ross
    • 1
  • S. D. Nelson
    • 1
  • P. Moldéus
    • 1
  1. 1.Department of ToxicologyKarolinska InstitutetStockholmSweden

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