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Two New Phenylpropanoid Glycosides from the Leaves and Flowers of Erica arborea

✍ Scribed by Ozlem Demirkiran; Gülaçtı Topçu; Fatemeh Bahadori; Mehmet Ay; Hossein Nazemiyeh; Iqbal Choudhary

Publisher
John Wiley and Sons
Year
2010
Tongue
German
Weight
184 KB
Volume
93
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two new phenylpropanoid glucosides, 1,2‐erythro‐1‐(3,4,5‐trimethoxyphenyl)‐2‐(β‐D‐glucopyranosyloxy)propan‐1,3‐diol (1) and 7,8‐threo‐2′,8‐epoxysyringylglycerol‐7‐O‐α‐D‐glucopyranoside (ericarboside; 2) have been isolated together with four known compounds 2′,7‐epoxysyringylglycerol‐8‐O‐__β‐__D‐glucopyranoside (ficuscarpanoside B; 3), benzylrutinoside (hydrangeifolin; 4), phenethylrutinoside (5), and caffeic acid from the BuOH soluble part of the MeOH extract of the leaves and flowers of E. arborea L. Final purification of the compounds was achieved on a reversed‐phase HPLC. Their structures have been elucidated by extensive 1D‐ and 2D‐NMR, and mass spectroscopic techniques.

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