Sesquiterpenoid and phenolic glucoside gallates from Lagerstroemia balansae |
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Authors: | Zhou Yong Chen Hu-biao Wang Bin Liang Hong Zhao Yu-ying Zhang Qing-ying |
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Affiliation: | State Key Laboratory of Natural and Biomimetic Drugs and Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, China. |
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Abstract: | Three new compounds, including a sesquiterpenoid glucoside gallate, 2 Z,4 E,1' R,2' S,4' R,6' S-dihydrophaseic acid 4'-O-(6'-O-galloyl)-β-D-glucopyranoside (1), two new phenolic glucoside gallates, 4-hydroxy-3,5-dimethoxybenzoic acid 4-O-(6'-O-galloyl)-β-D-glucopyranoside (2) and 3,4-dimethoxyphenol 1-O-(6'-O-galloyl)-β-D-glucopyranoside (3), together with eight known compounds (4-11), have been isolated from the stems of Lagerstroemia balansae. Their structures were elucidated on the basis of chemical and spectroscopic evidences. |
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