Vanillic Acid 4-O-β-D-(6′-O-Galloyl) Glucopyranoside and Other Constituents from the Bark of Terminalia macroptera Guill. Et Perr

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 acid (2) and two triterpene glucopyranosyl esters, 24-deoxy-sericoside (3) and chebuloside II (4)....

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Bibliographic Details
Published in:Natural product letters 2001-01, Vol.15 (1), p.35-42
Main Authors: Conrad, Jürgen, Vogler, Bernhard, Klaiber, Iris, Reeb, Sabine, Guse, Jan-Hinrich, Roos, Gudrun, Kraus, Wolfgang
Format: Article
Language:English
Subjects:
3,3′,4′-O-trimethylellagic acid
antimicrobial activity
Combretaceae
Terminalia macroptera
triterpene glucopyranosyl esters
vanillic acid 4-O-β-D-(6′-O-galloyl) glucopyranoside
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Summary: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 acid (2) and two triterpene glucopyranosyl esters, 24-deoxy-sericoside (3) and chebuloside II (4). Compounds 2-4 not described previously for this plant, showed antimicrobial activities against Bacillus subtilis, while 3 and 4 possessed haemolytic properties. In both assays 1 was found to be inactive.
ISSN:1057-5634
DOI:10.1080/10575630108041255