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11-beta-Hydroxy-D: A friedoolean-1-1-en-3-one from the stem bark of Phyllanthus flexuosus


, : 11-beta-Hydroxy-D: A friedoolean-1-1-en-3-one from the stem bark of Phyllanthus flexuosus. Journal of Natural Products (Lloydia) 57(11): 1523-1528

A new pentacyclic triterpene ketol was isolated from the stem bark of Phyllanthus flexuosus and the structure was established on the basis of spectral data interpretation and single-crystal X-ray analysis as 11-beta-hydroxy-D: A-friedoolean-1-en-3-one bearing a stretched conformation of the cis-fused D and E rings.

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