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An NMR study of proton exchange in the system p-nitrosophenol—p-quinone monooxime

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Abstract

The solvent used was dimethylformamide at neutral and alkaline pH. The equilibrium constants are determined by spectrophotometry. The rate of proton exchange has been measured as a function of temperature and concentration. The rate constants and activation energies have been measured; for uncatalyzed exchange kn=(1.5±0.5) ·· 103 M−1 sec−1, E=8±1 kcal/mole, while base-catalyzed exchange has k=(0.3±0.1) · 106 M−1 sec−1 and E=6±1 kcal/mole.

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Authors and Affiliations

  1. Pisarzhevskii Institute of Physical Chemistry, AS UkrSSR, Kiev

    B. A. Geller & L. K. Skrunts

Authors
  1. B. A. Geller
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  2. L. K. Skrunts
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Additional information

We are indebted to A. I. Brodskii for assistance in this work, and to V. I. Oshkaderov and L. A. Kichakova for recording the NMR spectra.

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Geller, B.A., Skrunts, L.K. An NMR study of proton exchange in the system p-nitrosophenol—p-quinone monooxime. Theor Exp Chem 4, 212–215 (1971). https://doi.org/10.1007/BF00523909

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  • DOI: https://doi.org/10.1007/BF00523909

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