玄参科
糖苷
旋花科
化学
化学分类学
立体化学
有机化学
作者
Ihsan Calis,Yukselen Sezgin,Ali A. Donmez,Peter Rüedi,Deniz Tasdemir
摘要
The water-soluble part of the methanolic extract from the aerial parts of Scrophularia crypthophila, through chromatographic methods, yielded three new resin glycosides, crypthophilic acids A - C (1-3). Compounds 1-3 are tetraglycosides of (+)-3S,12S-dihydroxypalmitic acid. The structures of these and 10 known compounds were elucidated by spectroscopic and chemical means. All natural resin glycosides known so far have been obtained from Convolvulaceae plants; this is the first report of such glycosides from another, taxonomically unrelated family (Scrophulariaceae).
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