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  • Title: [Anthraquinones isolated from Morinda officinalis and Damnacanthus indicus].
    Author: Yang YJ, Shu HY, Min ZD.
    Journal: Yao Xue Xue Bao; 1992; 27(5):358-64. PubMed ID: 1442057.
    Abstract:
    From chloroform extract of the root of Morinda officinalis, eight anthraquinones were isolated whose structures were deduced to be rubiadin (I), rubiadin-1-methyl ether (II), 1-hydroxyanthraquinone (III), 1-hydroxy-2-methylanthraquinone (IV), 1,6-dihydroxy-2,4-dimethoxyanthraquinone (V), 1,6-dihydroxy-2-methoxyanthraquinone (VI), 1-hydroxy-2-methoxyanthraquinone (VII) and physcion (VIII). Except for compound I and compound II, the other compounds, 1-hydroxy-2-hydroxymethylanthraquinone (IX), 1,3-dihydroxy-2-methoxy-anthraquinone (X), 1,4-dihydroxy-2-methylanthraquinone (XI), 1-methoxy-2-hydroxyanthraquinone (XII) and 1,4-dimethoxy-2-hydroxyanthraquinone (XIII), were isolated from chloroform extract of root of Damnacanthus indicus. Compound V, VI and XIII are new compounds.
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