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Withasteroids ofPhysalis. III. Physanolide and 4β-hydroxywithanolide E

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Abstract

Two withanolides have been isolated from the epigeal part ofPhysalis viscosa L. One of them with the compositions C28H38O8 has been identified as 4β-hydroxy-withanolide E, and for the second, which has been called physanolide, the structure of 14α,17β,20R-trihydroxy-1,4-dioxo-22R-witha-5,24-dienolide has been proposed on the basis of its UV, IR, PMR, and mass spectra, and also the results of a partial synthesis of 14α-hydroxyandrost-5-ene-1,4,17-trione, obtained by its oxidation.

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Literature cited

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Authors
  1. R. N. Tursunova
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  2. V. A. Maslennikova
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  3. N. K. Abubakirov
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Additional information

Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbek SSR, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 187–192, March–April, 1981.

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Tursunova, R.N., Maslennikova, V.A. & Abubakirov, N.K. Withasteroids ofPhysalis. III. Physanolide and 4β-hydroxywithanolide E. Chem Nat Compd 17, 145–149 (1981). https://doi.org/10.1007/BF00634733

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  • DOI: https://doi.org/10.1007/BF00634733

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