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Ring-chain tautomeric transformations of the product of diazotization of 5-(2′-aminophenyl)tetrazole

✍ Scribed by B. V. Golomolzin; I. Ya. Postovskii; L. G. Egorova; N. M. Perova

Book ID
112349083
Publisher
Springer US
Year
1981
Tongue
English
Weight
242 KB
Volume
17
Category
Article
ISSN
0009-3122

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✍ 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