Now showing items 1-2 of 2
Triterpenes and saponins from Rudgea viburnioides
(Journal of Natural Products, 1998-07-01) [Artigo]
A novel triterpene; viburgenin (1), has been isolated from an extract of the ripe fruit rinds of Rudgea viburnioides, together with the known saponins, arjunglucoside I and trachelosperosides B-1 and E-l, and the triterpenes ...
Further sesquiterpene pyridine alkaloids from Maytenus aquifolium
(Phytochemistry, 1998-12-05) [Artigo]
Two new sesquiterpene evoninate alkaloids, aquifoliunine E-III and aquifoliunine E-IV, were isolated from the root bark of Maytenus aquifolium. The structures of the new compounds were elucidated on the basis of spectroscopic ...