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Two New Megastigmane Glycosides and a New Iridoid Glycoside from Gelsemium elegans
Author(s) -
Zhang QiuPing,
Zhang BinFeng,
Chou GuiXin,
Wang ZhengTao
Publication year - 2011
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.201000399
Subject(s) - loganin , chemistry , glycoside , iridoid , stereochemistry , organic chemistry , high performance liquid chromatography
Two new megastigmane glycosides, eleganosides A and B ( 1 and 3 , resp.), and one new iridoid glycoside, gouwenoside A ( 4 ), together with two known compounds, foliasalacioside B 1 ( 2 ) and loganin ( 5 ), were isolated from the aerial parts of Gelsemium elegans ( Gardn. et Champ.) Benth. (Loganiaceae). Their structures were elucidated by spectroscopic methods including 1D‐ and 2D‐NMR techniques. The absolute configuration of 1 was determined by CD spectroscopy.
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