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Study of the direction of hydrogen addition to dienones in the presence of pentacyanocobaltate

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Conclusions

  1. 1.

    Pentacyanocobaltate catalyzes the hydrogenation of 6-methyl-3, 5-heptadien-2-one (and of 3, 5-heptadien-2-one) at the 5, 6 double bond, and also the 1,4-addition of hydrogen to the diene system of the dienone. The C=C bond in the 3, 4 position hardly reacts.

  2. 2.

    The cobalt complex accelerates the saturation of the activated C=C bond of 6-methyl-3-hepten-2-one. The isolated ethylene bond of 6-methyl-5-hepten-2-one fails to hydrogenate.

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Literature cited

  1. 1.

    J. Kwiatek, in: Catalysis Reviews, Vol. 1 (1), New York (1968), p. 37.

  2. 2.

    J. Kwiatek, I. L. Mador, and J. K. Seyler, Advan. Chem. Ser.,37, 201 (1963).

  3. 3.

    L. Kh. Freidlin, N. V. Borunova, and L. I. Gvinter, Dokl. Akad. Nauk SSSR,165, 1173 (1965).

  4. 4.

    L. Kh. Freidlin, N. V. Borunova, L. I. Gvinter, and S. S. Daniélova, Zh. Fiz. Khim.,42, 98 (1968).

  5. 5.

    N. V. Borunova, L. Kh. Freidlin, and T. Atabekov, Izv. Akad. Nauk SSSR, Ser. Khim., 1060 (1968).

  6. 6.

    L. Kh. Freidlin, L. I. Gvinter, and N. V. Borunova, Dokl. Akad. Nauk SSSR,171, 883 (1966).

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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2318–2319, October, 1972.

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Gvinter, L.I., Freidlin, L.K., Borunova, N.V. et al. Study of the direction of hydrogen addition to dienones in the presence of pentacyanocobaltate. Russ Chem Bull 21, 2248–2250 (1972). https://doi.org/10.1007/BF00855309

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Keywords

  • Hydrogen
  • Ethylene
  • Cobalt
  • Double Bond
  • Diene