A new compound from Gentianopsis paludosa |
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Authors: | Wang H-D Tan C-Y Bai X-F Du Y-G Lin B-C |
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Affiliation: | Natural Products and Glycoconjugate Research Group, Dalian Institute of Chemical Physics, Graduate School of the Chinese Academy of Sciences, Dalian 116023, China. whd77@163.com |
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Abstract: | A new compound, named gentianopfluorenone (1), along with three known compounds,1-O-beta-d-glucopyranosyl-5-hydroxy-3-methoxyxanthone (2), 1-O-[beta-d-xylopyranosyl-(1 --> 6)-beta-d-glucopyranosyl]-7,8-dihydroxy-3-methoxyxanthone (3), and apigenin (4), were isolated from the whole herb of Gentianopsis paludosa. On the basis of spectral and chemical evidence, the structure of 1 was elucidated as 4,4a,6-trihydroxy-5-methoxy-fluoren-2,9-dione. Compounds 2-4 were isolated from the plant for the first time. |
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