Monoterpenoid Indole Alkaloids from Alstonia mairei
作者： Xiang-Hai Cai , Chun-Xia Zeng , Tao Feng , Yan Li , Xiao-Dong Luo
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摘要: Three new monoterpenoid indole alkaloids, (14 alpha,15 alpha)-14,15-epoxyaspidofractinine (1) and maireines A 13 (2 3, resp.), together with 19 known were isolated from the leaves twigs of Alstonia mairei. The structures compounds elucidated by 1D- 2D-NMR spectroscopic methods in combination MS experiments.
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