The first oxathiazolium cations - A simple synthesis of 1,3,4-oxathiazolium salts

DOI: 10.1016/S0040-4039(00)97998-X

Source and publish data:

Tetrahedron Letters p. 5935 - 5938 (1990)

Update date:2022-08-02

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Authors:

Yung, Tommy W. K.

Sammes, Michael P.

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Article abstract of DOI:10.1016/S0040-4039(00)97998-X

The 1,3,4-oxathiazolium salts (11,12), which are the first representatives of the six possible classes of aromatic oxathiazolium cations, are readily prepared by N-acylation of the S-acylthiohydroxylamines ( 7,8) followed by cyclization with a strong acid and an acyl anhydride. The positive charge appears to be delocalized to a smaller extent than in analogous dithiazolium salts.

Full text of DOI:10.1016/S0040-4039(00)97998-X

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