A New Eudesmane Derivative and a New Fatty Acid Ester from Sambucus williamsii
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چکیده
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15 صفحه اولTwo new iridoid glycosides from the root barks of Sambucus williamsii Hance.
Two new iridoid glycosides, named williamsoside C (1) and williamsoside D (2) were isolated from the root barks of Sambucus williamsii Hance. Their structures were established on the basis of extensive spectroscopic analysis (1D, 2D NMR and HRESIMS) and chemical studies as α-D-glucopyranosyl (1→2)-β-D-fructofuranosyl (4→6)-β-morroniside (1) and 7β-O-ethyl morroniside-(6'-O-7'')-β-morroniside (2...
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In this study, we investigated the antifungal activity and mechanism of action of (+)-pinoresinol, a biphenolic compound isolated from the herb Sambucus williamsii,used in traditional medicine. (+)-Pinoresinol displays potent antifungal properties without hemolytic effects on human erythrocytes. To understand the antifungal mechanism of (+)-pinoresinol, we conducted fluorescence experiments on ...
متن کاملBioactive lignan constituents from the twigs of Sambucus williamsii.
As part of our ongoing search for bioactive constituents of natural Korean medicinal plants, three new lignan derivatives, sambucasinol A-C (1-3), together with 7 known compounds (4-10) were isolated from the twigs of Sambucus williamsii. The structures of these new compounds were determined by a combination of 1D and 2D NMR spectroscopic data analysis, as well as circular dichroism (CD) spectr...
متن کاملTwo new eudesmane alcohols from Jasonia glutinosa.
Two new sesquiterpene alcohols have been isolated from the aerial parts of Jasonia glutinosa D. C. The structure of these sesquiterpenes were characterized by 1D and 2D NMR techniques (DQCOSY. TOCSY, NOESY, HMQC and HMBC) as (11R)-eudesm-4-en-11,12-diol and (11R)-eudesmane-5alpha, 11,12-triol.
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 2006
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.54.676