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Seven New Phenolic Glucosides from Viburnum cylindricum

✍ Scribed by Lin Tu; Gang Xu; Yu Zhao; Li-Yan Peng; Juan He; Na Guo; Qin-Shi Zhao

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
183 KB
Volume
92
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Seven new phenolic glucosides, 2′‐O‐acetylhenryoside (1), 2′,3′‐di‐O‐acetylhenryoside (2), 2′,6′‐di‐O‐acetylhenryoside (3), 2′,3′,6′‐tri‐O‐acetylhenryoside (4), 2′,3′,4′,6′‐tetra‐O‐acetylhenryoside (5), 2‐[(2,3‐di‐O‐acetyl‐β‐D‐glucopyranosyl)oxy]‐6‐hydroxybenzoic acid (6), and 6‐hydroxy‐2‐[(2,3,4,6‐tetra‐O‐acetyl‐β‐D‐glucopyranosyl)oxy]benzoic acid (7), were isolated from the leaves and stems of Viburnum cylindricum, along with 26 known compounds (henryoside=2‐(β‐D‐glucopyranosyloxy)‐6‐hydroxybenzoic acid [2‐(β‐D‐glucopyranosyloxy)phenyl]methyl ester). The structures of the new compounds were established on the basis of chemical and spectroscopic evidences.

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