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Phytoecdysteroids of plants of the genusSilene XII. 5α-Ecdysterone 22-O-benzoate fromSilene scabrifolia

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Abstract

The new phytoecdysteroid 5α-ecdysterone 22-O-benzoate (I), C34H48O3, mp 262–274°C (methanol-water) [α] 20D +45.8° (methanol), has been isolated from the epigeal organ ofSilene scarbiofolia Kom. The alkaline hydrolysis of (I) led to 5α-ecdysterone (II) and benzoic acid. The isomerization of ecdysterone (0.6% KHCO3 in CH3OH) has yielded (II). Details of the IR, mass, and NMR spectra of compound (I) are given.

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Literature cited

  1. Z. Saatov, M. B. Gorovits, S. Melibaev, and K. H. Abubakirov, Khim. Prir. Soedin., 77 (1986).

  2. Z. Saatov, M. B. Gorovits, and H. K. Abubakirov, Khim. Prir. Soedin., 439 (1986).

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Authors
  1. Z. Saatov
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  2. M. B. Gorovits
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  3. N. D. Abdullaev
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  4. N. K. Abubakirov
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Additional information

Institute of the Chemistry of Plant Substances of the Uzbek SSR Academy of Sciences, Tashkent. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 678–681, September–Octover, 1987.

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Saatov, Z., Gorovits, M.B., Abdullaev, N.D. et al. Phytoecdysteroids of plants of the genusSilene XII. 5α-Ecdysterone 22-O-benzoate fromSilene scabrifolia . Chem Nat Compd 23, 563–565 (1987). https://doi.org/10.1007/BF00598673

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  • DOI: https://doi.org/10.1007/BF00598673

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