Author's Organization:Faculty of Pharmaceutical Sciences, Osaka University Faculty of Pharmaceutical Sciences, Osaka University Faculty of Pharmaceutical Sciences, Osaka University Faculty of Pharmaceutical Sciences, Osaka University
Racemic loliolide (XIII) and its diastereoisomer (XI) were synthesized from 2-bromo-2, 6, 6-trimethylcyclohexanone (II). The syntheses provide unequivocal confirmation for the proposed structure (I).