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Phenolic constituents from Draconis Resina / 中草药
Article in Chinese | WPRIM | ID: wpr-854527
Responsible library: WPRO
ABSTRACT
Objective: To study the phenolic constituents of Draconis Resina. Methods: The compounds were isolated and purified by silica gel and sephadex LH-20 column chromatography, and their structures were identified by physiochemical properties and MS and NMR spectroscopic data. Results: Fourteen compounds were isolated from the ethyl acetate extract of Draconis Resina and identified as 4'-hydroxy-1', 4″-dimethoxychalcane (1), 7-hydroxy-5, 4'-dimethoxy-2-arylbenzofuran (2), pterostilbene (3), 3, 4'-dihydroxy-5- methoxystilbene (4), 5, 7, 4'-trihydroxyflavanone (5), pinocembrin (6), 7-hydroxyflavanone (7), liquiritigenin (8), methyl 4- hydroxybenzoate (9), methyl 4-hydroxy-3-methoxybenzoate (10), ethyl 4-hydroxy-3-methoxybenzoate (11), 2, 4-dihydroxy acetophenone (12), 3, 4-dihydroxyallybenzene (13), and β-sitosterol (14). Conclusion: Compound 1 is a new natural product. Compound 2 is firstly obtained from the plants of Liliaceae. Compounds 5 and 9-12 are firstly isolated from the plants of Dracaena Vand. ex L., and compounds 6 and 7 are isolated from Dracaena cochinchinensis for the first time.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2014 Type: Article