Triterpenes from Maesopsis e minii

Two pentacyclic triterpenes, 1α,3β-dihydroxybauer-7-en-28-oic acid (1) and 3β-hydroxybauer-7-en-28-oic acid (2), together with sitosterol-3-β-O-d-glucopyranoside and stigmasterol have been isolated from the bark of the plant Maesopsis eminii. Their structures have been elucidated by spectroscopic me...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2004-12, Vol.67 (12), p.2124-2126
Main Authors: Fokou, Patrice Aimé, Stammler, Hans-Georg, Neumann, Beate, Huber, Thomas, Lontsi, David, Kemami Wangun, Hilaire V, Sewald, Norbert
Format: Article
Language:English
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Summary:Two pentacyclic triterpenes, 1α,3β-dihydroxybauer-7-en-28-oic acid (1) and 3β-hydroxybauer-7-en-28-oic acid (2), together with sitosterol-3-β-O-d-glucopyranoside and stigmasterol have been isolated from the bark of the plant Maesopsis eminii. Their structures have been elucidated by spectroscopic methods. One of the triterpenes (1) is new, and its structure was confirmed by X-ray crystallographic analysis. This new triterpene displayed moderate antibacterial activity against Bacillus subtilis ATCC 6633.
ISSN:0163-3864
1520-6025
DOI:10.1021/np0497548