a Department of Chemistry, Imperial College of Science, Technology and Medicine, London SW7 2AY, U.K.
b Glaxo Wellcome Research and Development, Temple Hill, Dartford, Kent DA1 5AH, U.K.
Abstract:
Bicyclic ketooxetanes may be assembled using cation-mediated cyclisation reactions of thioglycosides possessing silyl enol ether-containing side-chains.