The Tautomerism of 1,3,4-Thiadiazol-2 (3
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Hans Fritz; Haukur Kristinsson; Tammo Winkler
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Article
📅
1983
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John Wiley and Sons
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German
⚖ 249 KB
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## Abstract 5‐Substituted 1,3,4‐thiadiazol‐2(3__H__)‐ones were shown to exist almost exclusively in the oxo tautomeric form with the aid of proton‐coupled ^15^N‐NMR spectra using the corresponding 3‐methyl‐1,3,4‐thiadiazol‐2(3__H__)‐ones and 5‐substituted‐2‐methoxy‐1,3,4‐thiadiazoles as reference c