Acutangulosides A-F, Monodesmosidic Saponins from the Bark of Barringtonia acutangula
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Nine triterpene saponins, acutangulosides A-F (2-7), and acutanguloside D-F methyl esters (5a-7a) and a single triterpene aglycone (1) were isolated from a water extract of the bark of Barringtonia acutangular. Their structures were assigned on the basis of spectroscopic data.
Journal of Natural Products
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