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Preparation of 4‐substituted 1,3‐oxathiolan‐5‐ones via the sulphenium ion intermediate generated by the pummerer rearrangement
Author(s) -
Frechina J. V.,
Palanca P.,
Picher T.,
Sanz V.,
Ramirez J. A.
Publication year - 1993
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570300314
Subject(s) - chemistry , pummerer rearrangement , ion , computational chemistry , medicinal chemistry , organic chemistry , acetic anhydride , catalysis
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.