Russian Journal of Bioorganic Chemistry

, Volume 45, Issue 6, pp 558–565 | Cite as

Hepatoprotective Activity of Betulin and Dipterocarpol Derivatives

  • O. B. KazakovaEmail author
  • I. E. Smirnova
  • N. I. Medvedeva
  • T. V. Lopatina
  • I. V. Chudov
  • A. R. Sharipov
  • A. S. Ziganshin
  • Tran Thi Phuong Thao


The regioselective synthesis of betulin 3,28-bis- and 28-monoacylates (nicotinate and isonicotinates) as well as of 3β-hemisuccinyl dipterocarpol was carried out using the dicyclohexylcarbodiimide method. The morphological and biochemical blood tests on a model of CCl4-induced rat hepatitis showed that the activities of the betulin bisacylates 3β,28-bis-О-nicotinate and 3β,28-bis-О-isonicotinate were higher than that of monoacylate 28-О-isonicotinate. 3β-Hydroxydipterocarpol was found to be the most active among triterpenoids of the dammarane type.


acylation betulin dammaranes dipterocarpol hepatoprotective activity lupanes triterpenoids 



The work was supported by State Task No. АААА-А17-117011910023-2 within the topic “Chemo-, region-, and stereoselective transformations of terpenoids, steroids, and lipids in the directed synthesis of low molecular weight bioregulators” (the synthesis of betulin derivatives); the program “Development and justification of the application of highly effective innovative drug products based on the semisynthetic analogues of crude drugs and treatment and prevention of diseases of contagious and noncontagious etiology” (State Registration in EGISU NIOKTR No. 115032420003); and the Russian Foundation for Basic Research, project 18-53-54005 Viet_a (synthesis of depterocarpol derivatives).


In this work, humans were not involved as subjects of studies.

All international, national and/or institutional principles used for animal keeping and studying have been met.

Conflict of Interest

The authors declare the absence of conflict of interest.


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • O. B. Kazakova
    • 1
    Email author
  • I. E. Smirnova
    • 1
  • N. I. Medvedeva
    • 1
  • T. V. Lopatina
    • 1
  • I. V. Chudov
    • 2
  • A. R. Sharipov
    • 2
  • A. S. Ziganshin
    • 2
  • Tran Thi Phuong Thao
    • 3
  1. 1.Ufa Institute of Chemistry, Ufa Federal Research Center, Russian Academy of SciencesUfaRussia
  2. 2.Bashkir State Agrarian UniversityUfaRussia
  3. 3.Institute of Chemistry, Vietnam Academy of Science and TechnologyHanoiVietnam

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