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Chemistry of Natural Compounds

, Volume 44, Issue 6, pp 732–737 | Cite as

Triterpene glycosides from Astragalus and their genins. LXXVIII. Chemical transformation of cycloartanes. VI. Partial synthesis of cycloadsurgenina

  • I. M. Isaev
  • D. A. Iskenderov
  • M. I. IsaevEmail author
Article

Cycloadsurgenin, 20R,24 S-epoxycycloartan-6α,25-diol-3,16-dione, was partially synthesized in four steps from cyclosieversigenin. Side products with the structures 17E,24S-cycloart-17-en-6α,24,25-triol-3,16-dione and 17Z,24 S-cycloart-17-en-6α,24,25-triol-3,16-dione were obtained in addition to the desired product.

Key words

Astragalus Leguminosae cycloartanes cycloadsurgenin PMR and 13C NMR spectra DEPT 

Notes

Acknowledgment

The work was supported financially by the FSBR of the AS RU (Grant 68-08) and the State Foundation for Basic Research of the Republic of Uzbekistan (Grant FA-F3-T-044).

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  1. 1.S. Yu. Yunusov Institute of the Chemistry of Plant SubstancesAcademy of Sciences of the Republic of UzbekistanTashkentUzbekistan

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