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Study of the catalytic activity of metal complexes on solid supports. 5. Immobilized rhodium complexes in hydrogen transfer from 2-propanol to ketones and olefins

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

Conclusions

  1. 1.

    Rhodium complexes [RhCl(COD)]2, RhCl(PPh3)3, and RhCl3 immobilized on silica gel modified by aminophosphine groups catalyze the transfer of hydrogen from 2-propanol to cyclohexanone, styrene, and 2-cyclohexenone and the isomerization of allylbenzene in an argon atmosphere.

  2. 2.

    The reduction of cyclohexanone to cyclohexanol is promoted by alkali. The reaction rate is proportional to the amount of catalyst, 2-propanol concentration, and cyclohexanone. The reaction rate decreases at high ketone concentrations.

  3. 3.

    Styrene is reduced to ethylbenzene extremely slowly. Under these conditions, allylbenzene is not reduced, but rather undergoes isomerization with the predominant formation of trans-propenylbenzene.

  4. 4.

    The reduction of 2-cyclohexenone to cyclohexanol occurs by the initial reduction of the C=C bond and the subsequent reduction of the C=O group.

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Literature cited

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Authors and Affiliations

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

    V. F. Dovganyuk, V. I. Isaeva & V. Z. Sharf

Authors
  1. V. F. Dovganyuk
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  2. V. I. Isaeva
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  3. V. Z. Sharf
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1223–1228, June, 1988.

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Dovganyuk, V.F., Isaeva, V.I. & Sharf, V.Z. Study of the catalytic activity of metal complexes on solid supports. 5. Immobilized rhodium complexes in hydrogen transfer from 2-propanol to ketones and olefins. Russ Chem Bull 37, 1074–1078 (1988). https://doi.org/10.1007/BF00961902

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  • DOI: https://doi.org/10.1007/BF00961902

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