Total synthesis and full NMR assignment of ourouparine, a yohimbane-type indole alkaloid isolated from Gelsemium sempervirens

Total synthesis and full NMR assignment of ourouparine, a yohimbane-type indole alkaloid isolated from Gelsemium sempervirens Six new indole alkaloids from Gelsemium sempervirens Ait. f. Six new indole alkaloids from Gelsemium sempervirens Ait. f. 14β-Hydroxygelsedine, a New Oxindole Alkaloid from Gelsemium sempervirens Koumine, Humantenine, and Yohimbane Alkaloids from <i>Gelsemium elegans</i> Koumine, Humantenine, and Yohimbane Alkaloids from <i>Gelsemium elegans</i> Indole alkaloids from Aspidosperma pruinosum Chemical studies on monoterpenoid indole alkaloids from medicinal plant resources Gelsemium and Ophiorrhiza Indole alkaloids from Aspidosperma ramiflorum Alcaloides Des Feuilles De Neisosperma glomerata