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Influence of process conditions on the kinetics of the liquid-phase catalytic hydrogenation of aromatic nitro compounds

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    It has been shown that conditions for the liquid-phase catalytic reduction of aromatic nitro compounds have a different effect on the hydrogenation of the nitro compounds to the corresponding arylhydroxylamine and on the disproportionation of the latter with the formation of amines.

  2. 2.

    Contrary to the hydrogenation of the nitro group, the disproportionation rate of the arylhydroxylamines depends to a large degree on the temperature and the pH of the medium. Electron-donor substituents increase the disproportionation rate, while electron-acceptor substituents reduce it.

  3. 3.

    The conditions have been determined at which an increased yield of arylhydroxy1amines is obtained in the catalytic reduction of the nitro compounds.

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Authors and Affiliations

  1. Branch of the Institute of Chemical Physics, Academy of Sciences of the USSR, Chernogolovka

    I. A. Makaryan, V. I. Savchenko & Kh. A. Brikenshtein

Authors
  1. I. A. Makaryan
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  2. V. I. Savchenko
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  3. Kh. A. Brikenshtein
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 760–764, April, 1983.

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Makaryan, I.A., Savchenko, V.I. & Brikenshtein, K.A. Influence of process conditions on the kinetics of the liquid-phase catalytic hydrogenation of aromatic nitro compounds. Russ Chem Bull 32, 692–695 (1983). https://doi.org/10.1007/BF00953458

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  • DOI: https://doi.org/10.1007/BF00953458

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