ISSN:
1434-4475
Keywords:
14C-Labeling
;
Ring contraction reaction
;
1,4-Benzothiazin-2,3-4 H-dione
;
Benzthiazole
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract By14C-labeling it is shown that the ring contraction reaction of 1,4-benzothiazin-2,3-4H-dione (1), leading via benzthiazol-2-carbonic acid (2) finally to benzthiazole (3), proceeds via hydrolytic opening of the thiolactone-bond in1, irrespectively of H+ or OH− catalysis.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00799171
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