Five New Biflavonoids from Daphne aurantiaca
作者： Shuang Liang , Yun-Heng Shen , Jun-Mian Tian , Yi Feng , Zhi Xiong
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摘要: Abstract Five new biflavonoids, 1–5, were isolated from the stem bark of Daphne aurantiaca. The structures were elucidated as 2, 2 ″‐bisteppogenin (1), 2, 2 ″‐bisteppogenin 7‐O‐β‐glucopyranoside (2), 2′′′‐dehydroxy‐2, 2 ″‐bisteppogenin (3), 2′′′‐dehydroxy‐2, 2 ″‐bisteppogenin 7‐O‐β‐glucopyranoside (4), and 7‐methoxyneochamaejasmin B (5) on the basis of spectral analyses.
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