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A ring expansion reaction of 1,3-oxathiolanes
Maria Ioannou1, Michael J Porter, Fabienne Saez
1Department of Chemistry, University College London, 20 Gordon Street, London, UK WC1H OAJ.
Chemical Communications (Cambridge, England)
|July 18, 2002
Abstract:
1,3-Oxathiolanes are efficiently converted, via sulfur ylide intermediates, to 1,4-oxathianes by ring expansion with a silylated diazoacetate in the presence of a copper catalyst.