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Enantioselective Preparation of 2-Substituted 1,3-Dithiane 1-Oxides and 1,3-Dithiane 1,3-Dioxides
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1991
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Chemical EngineeringEngineering2-Substituted 2-Acyl-1,3-dithiane 1-Oxides2-Substituted 1,3-Dithiane 1-Oxides2-Substituted 1,3-Dithiane Anti-1,3-dioxidesOrganic ChemistrySyn-2-substituted 1,3-Dithiane 1-OxidesChemistryAsymmetric CatalysisSynthetic ChemistryEnantioselective Synthesis
syn-2-Substituted 1,3-dithiane 1-oxides and 2-substituted 1,3-dithiane anti-1,3-dioxides may be efficiently prepared with high enantiomeric excess from 2-substituted 1,3-dithianes via 2-substituted 2-acyl-1,3-dithiane 1-oxides by a three-step procedure (acylation, mono- or bissulphoxidation and deacylation).