Enantioselective Pummerer-type rearrangement by reaction of O-silylated ketene acetal with enantiopure α-substituted sulfoxides
Journal of the Chemical Society Perkin Transactions 11997Iss. 12, pp. 1763–1768
Citations Over TimeTop 19% of 1997 papers
Abstract
Chiral non-racemic α-substituted sulfoxides have been allowed to react with O-silylated ketene acetals in the presence of a catalytic amount of ZnI2 in THF to give chiral non-racemic α-siloxy sulfides in >99% ee. This is the highest enantioselectivity reported to date for the Pummerer reaction.
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