Brahucins A and B, new triterpene lactones from Spiraea brahuica

Sundus Shabbira Department of Applied Chemistry, University of Karachi, Karachi75270, Pakistan

Sadia Khana Department of Applied Chemistry, University of Karachi, Karachi75270, Pakistan

Mehdi Hassan Kazmia Department of Applied Chemistry, University of Karachi, Karachi75270, Pakistan

Itrat Fatimab International Centre for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi75270, Pakistan

Abdul Malikb International Centre for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi75270, PakistanCorrespondence[email protected]

Farah Inamullahb International Centre for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi75270, Pakistan

Rasool Bakhsh Tareenc Department of Batany, Balochistan University, Sariab Road, Quetta, Pakistan

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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.

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Brahucins A and B, new triterpene lactones from Spiraea brahuica

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Brahucins A and B, new triterpene lactones from Spiraea brahuica

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