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Derrisisoflavones H-K and One Isoflavan Derivative from Derris robusta |
Guo-Zhu Wei, Mei-Fen Mao, Xiang-Mei Li, Fu-Cai Ren, Fei Wang |
BioBioPha Co., Ltd., Kunming 650201, People's Republic of China |
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Abstract Four hitherto unknown prenylated isoflavonoids, named derrisisoflavones H-K (1-4) and one new isoflavan, namely 6-hydroxyisosativan (5), were isolated from the ethanol extract of Derris robusta. Their structures were elucidated on the basis of extensive spectroscopic studies. To our knowledge, derrisisoflavones J (3) and K (4) are the first examples of hydroxyethylated isoflavonoid.
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Keywords
Derris robusta
Isoflavonoid
Isoflavan
Derrisisoflavone
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Fund:This work was financially supported by the "Large-scale Compound Library" project of National Development and Reform Commission of China |
Issue Date: 08 February 2018
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