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Two new triterpenoid saponins from Ardisia crenata
Titel:
Two new triterpenoid saponins from Ardisia crenata
Auteur:
Liu, D. -L. Wang, N. -L. Zhang, X. Gao, H. Yao, X. -S.
Verschenen in:
Journal of Asian natural products research
Paginering:
Jaargang 9 (2007) nr. 2 pagina's 119-127
Jaar:
2007-03
Inhoud:
Two new triterpenoid saponins, ardisicrenoside K (1) and ardisicrenoside L (2), have been isolated from the roots of Ardisia crenata Sims. Their structures have been determined as 3β-O-{α-l-rhamnopyranosyl-(1 → 2)-β-d-glucopyranosyl-(1 → 4)-[β-d-glucopyranosyl-(1 → 2)]-α-l-arabinopyranosyl}-13β,28-epoxy-16-oxo-30,30-dimethoxyoleanane and 3β-O-{β-d-xylopyranosyl-(1 → 2)-β-d-glucopyranosyl-(1 → 4)-[β-d-glucopyranosyl-(1 → 2)]-α-l-arabinopyranosyl}-13β,28-epoxy-16α,20-dihydroxyoleanane by means of chemical evidences and spectral analysis. Their weak anti-fungal activity against the plant pathogenic fungus Pyricularia oryzae was evaluated in vitro.
Uitgever:
Taylor & Francis
Bronbestand:
Elektronische Wetenschappelijke Tijdschriften
Details van artikel 108 van 111 gevonden artikelen