Brahucins A and B, New Triterpene Lactones from Spiraea Brahuica
Journal of Asian natural products research(2020)
摘要
Brahucins A (1) and B (2), the new oleanane-type triterpene lactones, have been isolated from the EtOAc-soluble fraction of Spiraea brahuica Boiss, along with betulinic acid (3), oleanolic acid (4), 3-O-(β-D-glucopyranosyl) oleanolic acid (5), vanillic acid (6) and caffeic acid (7), reported for the first time from this species. The structures of these compounds were elucidated by spectroscopic studies including MS, IR, 1D and 2D NMR.
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关键词
Rosaceae,Spiraea brahuica,oleanane-type triterpenes,brahucins A and B
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