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2-Aminobenzoyl and megastigmane glycosides from Wrightia antidysenterica

Author:
Srinroch, Chutima, Sahakitpichan, Poolsak, Techasakul, Supanna, Chimnoi, Nitirat, Ruchirawat, Somsak, Kanchanapoom, Tripetch
Source:
Phytochemistry letters 2019 v.29 pp. 61-64
ISSN:
1874-3900
Subject:
Wrightia, flavonoids, glycosides, lignans, nuclear magnetic resonance spectroscopy
Abstract:
A new aminobenzoyl glycoside, 2-aminobenzoyl O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (1) and two new megastigmane glycosides, wrightiaionosides A (10), and B (11), were isolated along with 17 known compounds, including four benzoxazinoid glycosides (2-5), one indole diglycoside (6), three simple aromatic glycosides (7-9), three megastigmane glycosides (12-14), five flavonoid glycosides (15-19) and one lignan (20). The structure elucidation of these compounds was based on analyses of physical and spectroscopical data including 1D and 2D NMR experiments.
Agid:
6234963