1,2-Methyl shift in the reaction of 4,7-
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Sergey A. Komykhov; Sergey M. Desenko; Alexander S. Kaganovsky; Valery D. Orlov;
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Article
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2000
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Journal of Heterocyclic Chemistry
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English
⚖ 115 KB
## Abstract The reaction of the heterocyclic enamine **1** with tosyl azide (**2**) leads to the tosylimino derivative **4** of 1,2,4‐triazolo[1,5‐a]pyrimidine. The extrusion of nitrogen from the primary adduct **3** is followed by a 1,2‐shift of a methyl group. The structure determination of **4**