Bruceines fromBrucea sumatrana: The structure of bruceine G
โ Scribed by G. R. Duncan; D. B. Henderson
- Book ID
- 112700473
- Publisher
- Springer
- Year
- 1968
- Tongue
- English
- Weight
- 244 KB
- Volume
- 24
- Category
- Article
- ISSN
- 1420-682X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Abstract Bruceine K (**1**), a pentacyclic C~20~โquassinoid bearing a unique 12,20โepoxy moiety, and bruceine L (**2**), along with the ten known compounds (6__S__,7__E__)โ6,9,10โtrihydroxyโ and (6__S__,7__E__)โ6,9โdihydroxymegastigmaโ4,7โdienโ3โone (**3** and **4**, resp.), cleomiscosins AโC, l
Iwo alternative diene structures, I and II, have been proposed (l-4) for buxenine-G, a cytotoxic (5) alkaloid isolated from Buxus sempervirens L. However, no definitive proof of the novel skeletal structure, configuration, or location of the diene system has been advanced. We now report a single-cry