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Selective reduction of 4h-1,3-thiazine-4-ones : Easy access to substituted 6h-1,3-thiazines

✍ Scribed by Abdesselam Abouelfida; Jean-Paul Pradère; Jean-Claude Rozé; Michel Jubault

Publisher
Elsevier Science
Year
1990
Tongue
French
Weight
122 KB
Volume
31
Category
Article
ISSN
0040-4039

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✦ Synopsis

Selective reduction of 4H-1,3-thiazine-4-ones leads to new substituted 6H-1,3thiazines.

📜 SIMILAR VOLUMES

Synthesis of 2-methylthio-4H-1,3-thiazin
Synthesis of 2-methylthio-4H-1,3-thiazines
✍ A. S. Fisyuk; B. V. Unkovskii 📂 Article 📅 1992 🏛 Springer US 🌐 English ⚖ 148 KB

4H-1,3-thiazines or their mixtures with 5-alkylidene-4H-5, 6-dihydro-l,3 -thiazines were obtained by cyclization of methyl N-3-oxoaKytdithiocarbamates in sulfuric acid. The regiospecificity of the reaction is determined by the structures of the starting compounds. The structures of the synthesized