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Ring-chain transformations of substituted 2-imino-1,3-thiazinoazoles

✍ Scribed by N. D. Abramova; L. V. Andriyankova; T. V. Kashik; S. M. Ponomareva; N. N. Chipanina; A. V. Afonin; E. S. Domnina


Book ID
104853275
Publisher
Springer US
Year
1988
Tongue
English
Weight
259 KB
Volume
24
Category
Article
ISSN
0009-3122

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Ring-chain transformations, IX[1] Synthe
✍ Radics, Ute ;Liebscher, JΓΌrgen ;Ziemer, Burkhard ;Rybakov, Viktor πŸ“‚ Article πŸ“… 1992 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 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