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Synlett 1994; 1994(8): 669-671
DOI: 10.1055/s-1994-22970
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A novel Synthesis of α-Hydroxyaldehyde Acetals from Aldehydes and the Thianthrenium Radical Cation

Manfred Schulz* , Ralph Kluge, Jürgen Michaelis
  • *Institute of Organic Chemistry, Martin-Luther Univesity Halle Wittenberg D-06217 Merseburg, Germany
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Publication History

Publication Date:
18 September 2002 (online)

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α-Hydroxyaldehyde dimethylacetals are conveniently prepared by reaction of the corresponding aldehydes with thianthrenium tetrafluoroborate followed by treatment of the initially produced α-sulfoniumaldehydes with methanolic sodium methanolate at room temperature.