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Transformation of gem-dimethylcyclopentane and gem-dimethylcyclohexane on group VIII noble metals

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

Conclusions

  1. 1.

    The behavior of gem-dimethylcyclopentane in a discontinuous system at 200–340°C in the presence of Pt, Rh, Rr, Ir, Os, and Pd deposited on active carbon is similar to the behavior of monosubstituted cyclopentanes under the same conditions. Its hydrogenolysis on Pt/C takes place according to the sextet-doublet mechanism, and on Rh, Ru, Os, and Ir catalysts according to the rib doublet scheme.

  2. 2.

    The transformation of gem-dimethylcyclohexane is also determined by the nature of the metal. On Pt/C the main route appears to lead to aromatization with the resulting formation of toluene and benzene; on Rh and Ru catalysts, the hydrogenolysis leads to the formation of C1–C5 alkanes.

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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

    O. V. Bragin, E. G. Khelkovskaya-Sergeeva & A. L. Liberman

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  1. O. V. Bragin
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  2. E. G. Khelkovskaya-Sergeeva
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  3. A. L. Liberman
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 116–121, January, 1977.

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Bragin, O.V., Khelkovskaya-Sergeeva, E.G. & Liberman, A.L. Transformation of gem-dimethylcyclopentane and gem-dimethylcyclohexane on group VIII noble metals. Russ Chem Bull 26, 99–103 (1977). https://doi.org/10.1007/BF00921502

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  • DOI: https://doi.org/10.1007/BF00921502

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