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Resonance-stabilized phenoxy-like radicals formed by NO-mediated mono-nitration of coumarins containing a hydroxy group

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Abstract

Stable aminoxyls and an iminoxyl were observed by spin trapping and EPR techniques during the nitration of coumarins containing a hydroxy group by nitric oxide. The trapped free radicals are deduced to be the resonance stabilized phenoxy-like radicals. The mechanisms for the nitrations are suggested.

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Authors
  1. L.-D. Lei
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  2. F. Wang
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  3. D.-S. Yang
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  4. L.-M. Wu
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Lei, LD., Wang, F., Yang, DS. et al. Resonance-stabilized phenoxy-like radicals formed by NO-mediated mono-nitration of coumarins containing a hydroxy group. Research on Chemical Intermediates 30, 269–278 (2004). https://doi.org/10.1163/1568567041257580

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