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Isoflavonoid Glycosides from the Rhizomes of Iris germanica
Author(s) -
Nasim Shama,
Baig Irfan,
Orhan Ilkay,
Sener Bilge,
Ayanoglu Filiz,
Choudhary M. Iqbal
Publication year - 2003
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.200390278
Subject(s) - chemistry , rhizome , isoflavonoid , glycoside , stereochemistry , saponin , traditional medicine , organic chemistry , flavonoid , medicine , alternative medicine , pathology , antioxidant
Five new di‐ and triglycosides, irigenin 7‐[ O ‐ β ‐ D ‐glucopyranosyl‐(1→6)‐ β ‐ D ‐glucopyranoside] ( 1 ), 6‐hydroxygenistein 4′‐[ O ‐ β ‐ D ‐glucopyranosyl‐(1→6)‐ β ‐ D ‐glucopyranoside] ( 2 ), nigricin 4′‐[ O ‐ β ‐ D ‐glucopyanosyl‐(1→6)‐ β ‐ D ‐glucopyranoside] ( 3 ), nigricin 4′‐[ O ‐ β ‐ D ‐glucopyanosyl‐(1→2)‐ O ‐[ α ‐ L ‐rhamnopyranosyl‐(1→6)]‐ β ‐ D ‐glucopyranoside] ( 4 ), and 7‐{4′‐{[2″‐ O ‐(4′′′′‐acetyl‐2′′′′‐methoxyphenyl)‐ β ‐ D ‐glucopyranosyl]oxy}‐3′‐( β ‐ D ‐glucopyranosyloxy)phenyl]‐9‐methoxy‐8 H ‐1,3‐dioxolo[4,5‐ g ]‐[1 benzopyran‐8‐one‐] ( 5 ), along with a known compound, nigricin 4′‐( β ‐ D ‐glucopyranoside) ( 6 ), were isolated from the rhizomes of Iris germanica. The structures of these compounds were established by spectroscopic methods, including 2D NMR spectroscopic techniques.

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