Preparation of 4-substituted 1,3-oxathiolan-5-onesviathe sulphenium ion intermediate generated by the pummerer rearrangement

J. V. Frechina,Pedro Palanca,Teresa Picher,Vicente Sanz,Jose Antonio Ramirez

JOURNAL OF HETEROCYCLIC CHEMISTRY（1993）

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摘要

4-Substituted 1,3-oxathiolan-5-ones have been synthesized via the Pummerer rearrangement from the S-oxide of the parent molecule. The 4,5-dione is obtained in the presence of pyridine N-oxide.

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