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Synthesis of substituted 2-amino-5,6-dihydro-4H-1,3-thiazines and 2-iminotetrahydro-1,3-thiazines

✍ Scribed by P. L. Ovechkin; L. A. Ignatova; A. E. Gekhman; B. V. Unkovskii

Book ID: 112326945
Publisher: Springer US
Year: 1974
Tongue: English
Weight: 207 KB
Volume: 10
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00472417

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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