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KMID : 0043320050280111233
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Archives of Pharmacal Research
2005 Volume.28 No. 11 p.1233 ~ p.1235
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3’-Hydroxyamentoflavone and Its 7-O-Methyl Ether, Two New Biflavonoids from Aristolochia contorta
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Chen Ye-Gao
Yu Li-Li
Huang Rang
Liu Jia-Chuan
Lv Yu-Ping
Zhao Yang
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Abstract
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Two new biflavonoids, 3’-hydroxyamentoflavone-7-O-methyl ether (1) and 3’-hydroxyamentoflavone (2), were isolated from the fruits of Aristolochia contorta Bge. Their structures were elucidated by HR-ESI-MS, 1D-, and 2D-NMR spectroscopy.
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KEYWORD
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Aristolochia contorta, Biflavonoids, 3’-Hydroxyamentoflavone-7-O-methyl ether, 3’-Hydroxyamentoflavone
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