𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Substituent effect on “Ring-Chain” tautomerism of 1,2,3,4-Tetrahydro-s-tetrazines

✍ Scribed by Prof. Dr. M. M. El-Abadelah; A. Q. Hussein; A. S. Abushamleh


Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
237 KB
Volume
333
Category
Article
ISSN
1615-4150

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Substituent effects on the ring-chain ta
✍ Ferenc Fülöp; László Lázár; Gábor Bernáth; Reijo Sillanpää; Kalevi Pihlaja 📂 Article 📅 1993 🏛 Elsevier Science 🌐 French ⚖ 518 KB

## Abstmct: The a@ sub&umts at positions 4 and 6 do not erert observable &unmic cffcts on the ting-chain tautomeric mtios of 2,4-or 2,6-aTaqbubstituted-tetmhydm-1,~~. On the other hand, the ekaivnic @ect of the Z-a~yl subs&em is mat&& in all eight seties s&die4 the equilibria CM be desctibed @ the

Substituent effects in the ring-chain ta
✍ Márta Juhász; László Lázár; Ferenc Fülöp 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 555 KB

## Abstract magnified image The condensation products of 2‐aminoethanol or 3‐aminopropanol (bearing an alkyl substituent on the carbon adjacent to the nitrogen) with substituted benzaldehydes proved to exist in CDCl~3~ at 300 K as threecomponent tautomeric mixtures of the diastereomeric five‐ or s

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