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Synlett 1997; 1997(3): 316-318
DOI: 10.1055/s-1997-778
DOI: 10.1055/s-1997-778
letter
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Ring-Enlargement Reaction of 3-Alkyl-2-(N-cyanoimino)thiazolidine 1-Oxide: Formation of Novel 5,6-Dihydro-2H-1,2,4-thiadiazin-3(4H)-one Derivatives
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/199703/lookinside/thumbnails/10.1055-s-1997-778-1.jpg)
The reaction of 3-alkyl-2-(N-cyanoimino)thiazolidine 1-oxides (4) with trifluoroacetic anhydride resulted in a ring-enlargement reaction to give novel 5,6-dihydro-2H-1,2,4-thiadiazin-3(4H)-one derivatives (6).
2-(N-cyanoimino)thiazolidine - 1,2,4-thiadiazine - ring-enlargement - sulfoxide - oxidation