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Part XXVII. Studies on the constituents of solanaceous plants. Physapruins A and B, Two New Withanolides from Physalis pruinosa BAILEY.

  • SHINGU K
  • MIYAGAWA M
  • YAHARA S
  • et al.
Chemical and Pharmaceutical Bulletin (1993) 41(10) 1873-1875
DOI: 10.1248/cpb.41.1873
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Abstract

Two new withanolides, physapruins A and B, were isolated from the methanolic extract of the fresh aerial parts of Physalis pruinosa (Solanaceae), and their structures have been determined to be 4beta,14alpha,17beta,20beta-tetrahydroxy-1-oxo-20S,22R-witha-2,5,24-trienolide (1) and 6beta-acetoxy-5alpha-butoxy-14alpha-17beta-20beta-trihydroxy-1-oxo-20S,22R-witha-2,24-dienolide (2) on the basis of spectral evidence.

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APA

SHINGU, K., MIYAGAWA, M., YAHARA, S., & NOHARA, T. (1993). Part XXVII. Studies on the constituents of solanaceous plants. Physapruins A and B, Two New Withanolides from Physalis pruinosa BAILEY. Chemical and Pharmaceutical Bulletin, 41(10), 1873–1875. https://doi.org/10.1248/cpb.41.1873

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