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Two new flavonol glycosides from Gymnema sylvestre and Euphorbia ebracteolata |
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| Authors: | Liu Xin Ye Wencai Yu Biao Zhao Shouxun Wu Houming Che Chuntao |
| Affiliation: | Department of Natural Product Chemistry, China Pharmaceutical University, Nanjing 210009, China. |
| Abstract: | Two new flavonol glycosides, namely kaempferol 3-O-beta-D-glucopyranosyl-(1-->4)-alpha-L-rhamnopyranosyl-(1-->6)-beta-D-galactopyranoside (1) and quercetin 3-O-6"-(3-hydroxyl-3-methylglutaryl)-beta-D-glucopyranoside (2), have been isolated from the aerial parts of Gymnema sylvestre and Euphorbia ebracteolata, respectively. Their structures were determined on the basis of chemical and spectroscopic methods. |
| Keywords: | Flavonol glycoside Kaempferol 3-O-β- smallcaps" >d-glucopyranosyl-(1 → 4)-α- smallcaps" >l-rhamnopyranosyl-(1 → 6)-β- smallcaps" >d-galactopyranoside Quercetin 3-O-6″-(3-hydroxyl-3-methylglutaryl)-β- smallcaps" >d-glucopyranoside Gymnema sylvestre Euphorbia ebracteolata |
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