Ilexosides E, F, G, H and I, novel 18,19-seco-ursane glycosides from fruit of ilex crenata
摘要:
From the fresh fruits of Ilex crenata has been isolated five new saponins named ilexosides E, F, G, H and I, respectively. Their structures were established on the basis of spectral and chemical evidence. They exhibited anti-allergic activities.