Structural elucidation of four flavonoid glycosides from Barringtonia acutangula
Chromatographic separations of a methanol extract of Barringtonia acutangula leaves resulted in the isolation of four flavonoid glycosides. Using extensive NMR spectroscopic analysis as well as comparison with the reported data, their structures were elucidated as quercetin 3‐O‐β‐D‐(6‐p‐hydroxybenzo...
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Veröffentlicht in: | Vietnam journal of chemistry 2018-04, Vol.56 (2), p.187-190 |
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container_title | Vietnam journal of chemistry |
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creator | Van, Quach Thi Thanh Vien, Le Thi Hanh, Tran Thi Hong Huong, Phan Thi Thanh Van Thanh, Nguyen Cuong, Nguyen Xuan Nam, Nguyen Hoai Van Minh, Chau |
description | Chromatographic separations of a methanol extract of Barringtonia acutangula leaves resulted in the isolation of four flavonoid glycosides. Using extensive NMR spectroscopic analysis as well as comparison with the reported data, their structures were elucidated as quercetin 3‐O‐β‐D‐(6‐p‐hydroxybenzoyl)galactopyranoside (1), quercetin 3‐O‐α‐L‐arabinopyranosyl‐(1→2)‐β‐D‐galactopyranoside (2), kaempferol 3‐O‐β‐D‐galactopyranoside (3), and quercetin‐3‐O‐β‐D‐galactopyranoside (4). |
doi_str_mv | 10.1002/vjch.201800011 |
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subjects | Barringtonia acutangula flavonoid glycoside Lecythidaceae |
title | Structural elucidation of four flavonoid glycosides from Barringtonia acutangula |
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