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A new withanolide glycoside from physalis peruviana
Authors:Ahmad  Malik  Afza  Yasmin
Institution:International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan, Pharmaceutical Fine Chemical Research Centre, PCSIR Laboratories Complex, Karachi-75280, Pakistan,
Abstract:A new withanolide glycoside, 17beta-hydroxy-14, 20-epoxy-1-oxo-22R]-3beta-O-beta-D-glucopyranosyl]-witha-5, 24-dienolide (1), has been isolated from the whole plant of Physalis peruviana. Its identity was determined using a combination of spectroscopic data including 2D NMR techniques and chemical transformations.
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