Ring-Chain Tautomerism of N-Substituted
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Kirill N. Zelenin; Olga B. Kuznetsova; Valeriy V. Alekseyev; Peter B. Terentyev;
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Article
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1993
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Elsevier Science
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French
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## The condensation products from 4,6dimethyl-and 2,4,4-trimethylthiosemicatiazides and akdehydes or ketones, as well as those firn 2-methyl-and 2&di&ubstituted thiosemicarbazides and aldehydes have the thiosemica&zzonestructue, while ketones react with 2-methyl-or 2,4-dialkylthiosemicadxzzides to f