Y. Tokunaga et al., FACILE CONSTRUCTION OF SPIROBICYCLIC SKELETONS BY INTRAMOLECULAR ALDOL REACTION - SIMPLE FORMAL SYNTHESES OF (+ -)SPIROJATAMOL AND (+/-)-ERYTHRODIENE/, Journal of the Chemical Society. Perkin transactions. I, (3), 1997, pp. 189-190
An intramolecular aldol reaction of keto acetals 1, regioselectively p
erformed with Me(3)SiI-(Me(3)Si)(2)NH leading to spirobicyclic compoun
ds 2 and 3, has been applied to the syntheses of (+/-)-spirojatamol an
d (+/-)-erythrodiene.