Two acylated flavonoid glycosides from the leaves of Quercus dentata |
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| Authors: | Wang Ling-Li Jiang Mei-Xiang Xu Sui-Xu Sun Qi-Shi Zeng Guang-Yao Zhou Ying-Jun |
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| Institution: | School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, No. 232 Waihuan Road, Guangzhou, Guangdong Province 510006, PR China. |
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| Abstract: | Two new acylated flavonoid glycosides have been isolated from the leaves of Quercus dentata Thunb. On the basis of chemical and spectral data, the structures of the compounds have been elucidated as kaempferol 3-O-(2", 4"-diacetyl-3"-cis-p-coumaroyl-6"-trans-p-coumaroyl)-beta-D-glucopyranoside (1), and kaempferol 3-O-(2"-trans-p-coumaroyl-3", 4"-diacetyl-6"-cisp-coumaroyl)-beta-D-glucopyranoside (2). |
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