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A Convenient Method for Carbon Extension of Acetals and Aldehydes by the Use of Ketenedithioacetal and Nucleophiles.

✍ Scribed by Junji Ichikawa; Terunobu Saitoh; Tomoyuki Tada; Teruaki Mukaiyama

Publisher
John Wiley and Sons
Year
2003
Weight
197 KB
Volume
34
Category
Article
ISSN
0931-7597

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Oxidation of ketene-S,S-acetals, thioace
Oxidation of ketene-S,S-acetals, thioacetals, and thioketals by dimethyldioxirane: A convenient method for the preparation of bis-sulfones
✍ Denise Curi; Vera L. Pardini; Hans Viertler; Alfons L. Baumstark; Donald B. Hard πŸ“‚ Article πŸ“… 1994 πŸ› John Wiley and Sons 🌐 English βš– 549 KB

## Abstract The oxidation of a series of ketene‐S,S‐acetals, __2a__–__f__, and a series of thioacetals and thioketals, __4a__–__g__, with a fourfold or greater excess of dimethyldioxirane, __1__, produced the corresponding bis‐sulfones __3a__–__f__ and __5a__–__g__ in excellent yields. The reaction