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Chemistry of Natural Compounds

, Volume 7, Issue 3, pp 281–283 | Cite as

A study of the reaction of pentacyclic triterpenoids with concentrated sulfuric acid

  • V. F. Semenchenko
  • É. T. Oganesyan
  • V. D. Ponomarev
  • V. I. Frolova
Article

Summary

The conditions for the reaction of triterpenoids with concentrated sulfuric acid have been studied by the method of mathematical planning, and the optimum conditions for performing this reaction have been found.

Keywords

Sulfuric Acid Solution Ursolic Acid Concentrate Sulfuric Acid Oleanolic Acid Steep Ascent 

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Literature cited

  1. 1.
    V. D. Ponomarev, É. T. Oganesyan, and V. F. Semenchenko, Khim. Prirodn. Soedin.,7, 147 (1971).Google Scholar
  2. 2.
    C. H. Brieskorn and L. Kapuano, Chem. Ber.,86, 7, 866 (1953).CrossRefGoogle Scholar
  3. 3.
    É. T. Oganesyan, A. L. Shinkarenko, and V. A. Bandyukova, Khim. Prirodn. Soedin.,4, 212 (1968).Google Scholar
  4. 4.
    I. A. Murav'ev and V. F. Semenchenko, Khim. Prirodn. Soedin.,5, 17 (1969).Google Scholar
  5. 5.
    T. Kartnig and G. Mikula, Arch. Pharm.,303, No. 9, 767 (1970).CrossRefGoogle Scholar
  6. 6.
    V. D. Ponomarev, Uch. Zap. Pyatigorsk. Farm. Inst.,5, 221 (1961).Google Scholar
  7. 7.
    S. Bernstein and H. Lenhard, J. Org. Chem.,18, 1146 (1953).CrossRefGoogle Scholar
  8. 8.
    S. D. Nikonovich and N. K. Abubakirov, Zh. Obshch. Khim.,34, No. 8, 2658 (1964).Google Scholar
  9. 9.
    V. V. Nalimov and N. A. Chernova, in: Statistical Methods of Planning Extreme Experiments [in Russian], Moscow (1965), p. 59.Google Scholar

Copyright information

© Consultants Bureau, a division of Plenum Publishing Corporation 1973

Authors and Affiliations

  • V. F. Semenchenko
  • É. T. Oganesyan
  • V. D. Ponomarev
  • V. I. Frolova

There are no affiliations available

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