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Hydrogenation of acetylene-ethylene alcohols over a palladium-ruthenium alloy membrane catalyst

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

Conclusions

  1. 1.

    The hydrogenation kinetics of acetylenic-ethylenic alcohols is similar to that of the hydrogenation of acetylenic alcohols. The rate of hydrogenation of the acetylenic enynols depends on their structure.

  2. 2.

    During hydrogenation of conjugated enynols, the 1,2-addition of hydrogen at the acetylenic bond is preferential, while during the hydrogenation of conjugated dienols, extensive 1,4-addition of hydrogen takes place.

  3. 3.

    During the deuteration of dehydrolinalool on a Pd-alloy membrane catalyst, no H/D exchange was observed at >50% conversions. In the linalool formed, the exchange products are present in considerable amounts.

  4. 4.

    A scheme for the hydrogenation mechanism of acetylenic alcohols on a Pd-alloy membrane catalyst has been proposed.

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Authors and Affiliations

  1. The A. V. Topchiev Institute of Petrochemical Synthesis, Academy of Sciences of the USSR, Moscow

    A. N. Karavanov & V. M. Gryaznov

Authors
  1. A. N. Karavanov
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  2. V. M. Gryaznov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2469–2473, November, 1988.

The authors wish to express their gratitude to A. I. Mikaya and V. G. Zaikin for their help in recording and interpreting the mass spectra.

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Karavanov, A.N., Gryaznov, V.M. Hydrogenation of acetylene-ethylene alcohols over a palladium-ruthenium alloy membrane catalyst. Russ Chem Bull 37, 2223–2227 (1988). https://doi.org/10.1007/BF00959865

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  • DOI: https://doi.org/10.1007/BF00959865

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