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8‐(3,3‐Dimethylallyl)‐Substituted Flavonoid Glycosides from the Aerial Parts of Epimedium koreanum
Author(s) -
Zhao HaiYu,
Fan Li,
Zhou Lei,
Han Jian,
Wang BaoRong,
Guo DeAn
Publication year - 2007
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200790226
Subject(s) - chemistry , glycoside , flavonoid , circular dichroism , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , organic chemistry , antioxidant
Ten 8‐(3,3‐dimethylallyl)‐substituted flavonoid glycosides, including the four new flavonol glycosides 1 and 3 – 5 and the new flavanonol glycoside 2 , besides five known flavonol glycosides, were isolated from the aerial parts of Epimedium koreanum Nakai . Their structures were determined by spectroscopic methods, including UV, IR, 1D‐ and 2D‐NMR, ESI‐MS n , HR‐ESI‐MS, and circular dichroism (CD) experiments.