Related Experiment Videos
Iridoid glycosides from Thunbergia grandiflora
L D Ismail1, M M el-Azizi, T I Khalifa
1Department of Chemistry, Colorado State University, Fort Collins 80523, USA.
Phytochemistry
|July 1, 1996
Abstract:
The novel iridoid glycosides, isounedoside and grandifloric acid, were isolated from Thunbergia grandiflora. Grandifloric acid contains C-10 as a carboxylic acid group, the presence of which was predicted by recent iridoid biosynthesis studies carried out within T. alata. Isounedoside contains a rare 6,7-epoxide functional group. A revision in some of the NMR spectral assignments for the known iridoid glycoside alatoside was also made.