SYNTHETIC STUDIES TOWARDS COMPLEX DITERPENOIDS .19. TOTAL SYNTHESIS OF (PLUS-OR-MINUS)-DEOXOFAVELINE, (PLUS-OR-MINUS)-FAVELINE METHYL-ETHERAND (PLUS-OR-MINUS)-FAVELINE
Ak. Ghosh et al., SYNTHETIC STUDIES TOWARDS COMPLEX DITERPENOIDS .19. TOTAL SYNTHESIS OF (PLUS-OR-MINUS)-DEOXOFAVELINE, (PLUS-OR-MINUS)-FAVELINE METHYL-ETHERAND (PLUS-OR-MINUS)-FAVELINE, Journal of the Chemical Society. Perkin transactions. I, (3), 1994, pp. 327-332
Simple and efficient syntheses have been developed for the cytotoxic d
inorditerpenoids, deoxofaveline 1. (+/-)-faveline methyl ether 2 and (
+/-)-faveline 3, having a hexahydrodibenzo[a,d]cycloheptene ring syste
m. through the enolizable tricyclic ketone mixture 12 and 13, prepared
from the easily accessible 2-arylethyl-3,3-dimethylcyclohexanone 7.