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Isotopic exchange of hydrogen in hydrocarbons over rare-earth oxides

Communication 1. Deuterium exchange between cyclohexane and deuterium over neodymium oxide

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

Summary

  1. 1.

    Isotopic exchange of hydrogen in cyclohexane was investigated with the use of gaseous deuterium. The exchange was carried out over neodymium oxide at atmospheric pressure in the temperature range 157–553°.

  2. 2.

    Appreciable deuterium exchange starts at 400°; at 512° the total yield of C6H12−xDx is more than 41%.

  3. 3.

    The distribution of deuterium-substituted cyclohexanes was investigated with the aid of the mass spectrometer. About 98.5% of the deuterium entering into cyclohexane is accounted for by D1, D2, and D3, 0.7% is accounted for by D4, and 0.8% by the remaining deuterocyclohexanes.

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Literature cited

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences, USSR

    Kh. M. Minachev, É. G. Bakk & R. V. Dmitriev

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  1. Kh. M. Minachev
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  2. É. G. Bakk
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  3. R. V. Dmitriev
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Minachev, K.M., Bakk, É.G. & Dmitriev, R.V. Isotopic exchange of hydrogen in hydrocarbons over rare-earth oxides. Russ Chem Bull 11, 1018–1023 (1962). https://doi.org/10.1007/BF00905226

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  • DOI: https://doi.org/10.1007/BF00905226

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