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  • Title: Further sesquiterpenes from Polygonum viscosum (Polygonaceae).
    Author: Datta BK, Datta SK, Rashid MA, Kundu JK, Hasan CM, Sarker SD.
    Journal: Nat Prod Lett; 2002 Jun; 16(3):143-8. PubMed ID: 12049212.
    Abstract:
    Two new sesquiterpenes, 4-methoxycarbonyl-7-(1-methylethyl)-6-oxo-3,3a,7,8,8a-pentahydroazulene-1-carboxylic acid (viscoazusone) and 1,4-dimethoxy-carbonyl-7-(1-methylethyl)-6-oxo-3,3a,7,8,8a-pentahydroazulene (viscoazulone), were isolated from the whole plant of Polygonum viscosum. The structures of these compounds were determined by spectroscopic means.
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