A New Dimeric Iridal Triterpenoid from Belamcanda chinensis with Significant Molluscicide Activity

An unprecedented dimeric triterpenoid, designated dibelamcandal A, with a six-membered ring linking two iridal type triterpenoid nuclei, was isolated from the rhizome of Belamcanda chinensis. Its structure was determined by extensive spectroscopic measurements, including IR, ESI-MS, HR-ESI-MS, and 1...

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Veröffentlicht in:	Organic letters 2011-02, Vol.13 (3), p.462-465
Hauptverfasser:	Song, Zhi-Jun, Xu, Xue-Min, Deng, Wen-Long, Peng, Shu-Lin, Ding, Li-Sheng, Xu, Han-Hong
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Iridaceae - chemistry Molecular Structure Molluscacides - chemistry Molluscacides - isolation & purification Molluscacides - pharmacology Nuclear Magnetic Resonance, Biomolecular Rhizome - chemistry Snails - drug effects Triterpenes - chemistry Triterpenes - isolation & purification Triterpenes - pharmacology
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Beschreibung
Zusammenfassung:	An unprecedented dimeric triterpenoid, designated dibelamcandal A, with a six-membered ring linking two iridal type triterpenoid nuclei, was isolated from the rhizome of Belamcanda chinensis. Its structure was determined by extensive spectroscopic measurements, including IR, ESI-MS, HR-ESI-MS, and 1D and 2D NMR. It demonstrated significant molluscicide activity against Pomacea canaliculata.
ISSN:	1523-7060 1523-7052
DOI:	10.1021/ol102796k