Abstract
Chemical investigation of the stem bark and leaves of Putranjiva roxburghii has resulted in the isolation of a new ellagic acid glycoside (5) along with four saponins (1-4). The structures of the isolated compounds were established by detailed spectral analysis. Incidentally putranoside-A methyl ester (4) has been isolated for the first time from this species and the saponins (1-4) exhibited potent DNA topoisomerase IB inhibitory activity.
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Kumar, A., Chowdhury, S. R., Chakrabarti, T., Majumdar, H. K., Jha, T., & Mukhopadhyay, S. (2014). A new ellagic acid glycoside and DNA topoisomerase IB inhibitory activity of saponins from Putranjiva roxburghii. Natural Product Communications, 9(5), 675–677. https://doi.org/10.1177/1934578x1400900523
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