1H and 13C NMR structure determination of new sesquiterpene glycosides isolated from Pittosporum viridiflorum viridiflorum.

Archive ouverte | Ramanandraibe, V. | CCSD

Constituents of Burasaia madagascarensis : a new clerodane-type diterpene

Archive ouverte | Mambu, L. | CCSD

From an ethanol extract of the stems of Burasaïa madagascarensis Thouars (Menispermaceae) were isolated N-acetylnornuciferine and two clerodane-type diterpenes, one of them, epicordatine, being new. The structures were established...

Pseudoguanolide sesquiterpene lactones from Veroniopsis caudata and their in vitro antiplasmodial activities.

Archive ouverte | Ramanandraibe, V. | CCSD

Two new helenanolide sesquiterpene lactones, 1 and 2, as well as one known related structure, 11α,13-dihydrohelenalin-[2-(1-hydroxyethyl)acrylate] (3), together with 4′-β-D-O-glucopyranosyl-luteolin and ethyl 2,5-dihydroxycinnamat...