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2-(1′-alkoxyvinyl) thiazolidines: synthesis and study of ring-chain tautomerism

✍ Scribed by Keiko, Nataliya A.; Funtikova, Evgeniya A.; Stepanova, Ludmila G.; Chuvashev, Yurii A.; Larina, Ludmila I.; Voronkov, Michail G.


Book ID
120581078
Publisher
Taylor and Francis Group
Year
2004
Tongue
English
Weight
120 KB
Volume
25
Category
Article
ISSN
1741-5993

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Ring-chain transformations, IX[1] Synthe
✍ Radics, Ute ;Liebscher, Jürgen ;Ziemer, Burkhard ;Rybakov, Viktor 📂 Article 📅 1992 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 691 KB

Thiohydrazide compounds 1 react with lactam acetals 2 or solution, however, most of them undergo a reversible ringlactim ethers 3 by condensation giving unusual zwitterionic chain transformation to novel 2-(o-aminoalkyl)-1,3,4-thiaditautomers 5 of lactam thioacylhydrazones 4. These compounds azole s