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Brahucins A and B, new triterpene lactones from Spiraea brahuica
Sundus Shabbir1, Sadia Khan1, Mehdi Hassan Kazmi1
1Department of Applied Chemistry, University of Karachi, Karachi 75270, Pakistan.
Journal of Asian Natural Products Research
|December 14, 2020
Abstract:
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.
