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Synlett 1991; 1991(2): 80-83
DOI: 10.1055/s-1991-20633
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Enantioselective Preparation of 2-Substituted 1,3-Dithiane 1-Oxides and 1,3-Dithiane 1,3-Dioxides

Philip C. Bulman Page* , Ernest S. Namwindwa
  • *Robert Robinson Laboratories, Department of Chemistry, University of Liverpool, P.O. Box 147, Liverpool, L69 3BX, England
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Publication Date:
07 March 2002 (online)

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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).