Mechanistic studies of a Pummerer-type reaction in acyclic and rigid cyclic sulfoxides induced by ketene tert-butyldimethylsilyl methyl acetal
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The Pummerer-type reaction of acyclic and rigid cyclic sulfoxides with ketene tert-butyldimethylsilyl methyl acetal 2 in the presence of a catalytic amount of zinc iodide in acetonitrile has been shown to proceed with highly stereoselective deprotonation of the α-methylene proton. A plausible reaction mechanism involving an anti elimination process is proposed based on an isotope labelling experiment using syn- and anti-[α-2H1]benzyl methyl and [α-2H1]benzyl tert-butyl sulfoxides.
- Royal Society of Chemistryの論文
- 1995-01-01
Royal Society of Chemistry | 論文
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