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Chemistry of Natural Compounds

, Volume 40, Issue 6, pp 571–573 | Cite as

Synthesis of 30-amino derivatives of 3,28-di-O-acetylbetulin

  • O. B. Flekhter
  • I. E. Smirnova
  • F. Z. Galin
  • G. V. Giniyatullina
  • E. V. Tret’yakova
  • G. A. Tolstikov
Article

Abstract

30-Amino derivatives of the lupane group were prepared by reaction of 3,28-di-O-acetyl-30-bromolup- 20(29)-ene with L-valine methyl ester and aliphatic amines.

Key words

betulin amines allylic bromination 

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Copyright information

© Springer Science+Business Media, Inc. 2004

Authors and Affiliations

  • O. B. Flekhter
    • 1
  • I. E. Smirnova
    • 1
  • F. Z. Galin
    • 1
  • G. V. Giniyatullina
    • 1
  • E. V. Tret’yakova
    • 1
  • G. A. Tolstikov
    • 2
  1. 1.Institute of Organic Chemistry, Ufa Scientific CenterRussian Academy of SciencesUfa
  2. 2.N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian DivisionRussian Academy of Sciences, Russian FederationNovosibirsk

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