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Pentacyclic Triterpenoid Saponins from Silene viscidula
Author(s) -
Xu Wei,
Wu JiaMei,
Zhu Zheng,
Sha Yi,
Fang Jin,
Li YuShan
Publication year - 2010
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.201000016
Subject(s) - chemistry , caryophyllaceae , triterpenoid , silene , stereochemistry , glycoside , triterpene , residue (chemistry) , terpene , organic chemistry , botany , medicine , alternative medicine , pathology , biology
Three new pentacyclic triterpenoid saponins, viscidulosides A and B ( 1 and 2 , resp.), and silenoviscoside D ( 3 ), were isolated from the roots of Silene viscidula , together with two known saponins, sinocrassulosides VIII and IX ( 4 and 5 , resp.). Their structures were elucidated by spectroscopic data and chemical methods. Compounds 1 / 2 and 4 / 5 were two inseparable mixtures, which are glycosides of quillaic acid whose fucose residue is acylated by ( E )‐ or ( Z )‐4 ‐ methoxycinnamic acid.
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