Vanillic Acid 4-O-β-D-(6′-O-Galloyl) Glucopyranoside and Other Constituents from the Bark of Terminalia macroptera Guill. Et Perr
作者： Jürgen Conrad , Bernhard Vogler , Iris Klaiber , Sabine Reeb , Jan-Hinrich Guse
DOI: 10.1080/10575630108041255
关键词: Bark 、 Vanillic acid 、 Antimicrobial 、 Triterpene 、 Stereochemistry 、 Chemistry 、 Terminalia macroptera 、 Glucoside 、 Combretaceae 、 Bacillus subtilis
摘要: Abstract A new phenolic glucoside gallate, vanillic acid 4-O-β-D-(6′-O-galloyl) glucopyranoside (1) was isolated from the bark of Terminalia macroptera Guill.et Perr., together with 3,3′,4′-tri-O-methylellagic (2) and two triterpene glucopyranosyl esters, 24-deoxy-sericoside (3) chebuloside II (4). Compounds 2-4 not described previously for this plant, showed antimicrobial activities against Bacillus subtilis, while 3 4 possessed haemolytic properties. In both assays 1 found to be inactive.
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