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Ring-chain tautomerism of 1-benzoyl-2-benzyl-5-hydroxypyrazolidine

✍ Scribed by K. N. Zelenin; A. V. Dovgilevich; I. P. Bezhan

Book ID
112348637
Publisher
Springer US
Year
1983
Tongue
English
Weight
67 KB
Volume
19
Category
Article
ISSN
0009-3122

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✍ 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