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Synthesis of vinyl and ethyl ethers of 4-β-hydroxyethyl-1,4-perhydro-thiazine 1,1-dioxide

✍ Scribed by B. U. Minbaev; M. F. Shostakovskii; A. D. Kagarlitskii


Book ID
112349395
Publisher
Springer US
Year
1983
Tongue
English
Weight
246 KB
Volume
19
Category
Article
ISSN
0009-3122

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A facile synthesis of substituted perhyd
✍ Elghandour, Ahmed Hafez Hussien ;Ramiz, Mahmound Mohamed Mahfouz ;Ghozlan, Said 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 English ⚖ 419 KB

Depending on the reaction conditions eithcr 2.6-disubstitutcd 2,3,5,6-tetrahydro-4H-1,3-thiazin-4-ones 4 or 1,6-disubstitutcd 2-thiouracils 5 are readily prepared by base-catalyzcd cyclization of N-propenoylthioureas 3. Compounds 5 could also bc obtained by Dimroth-type rearrangement of 1,3-thiazin-