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Chemical properties of ylidene derivatives of azines. 1. Structure of the products of protonation of dihydro-2-pyrimidylidene- and dihydro-4-pyrimidylidenecyanoacetic esters

✍ Scribed by O. A. Zagulyaeva; O. A. Grigorkina; V. I. Mamatyuk; V. P. Mamaev

Book ID
111877371
Publisher
Springer US
Year
1982
Tongue
English
Weight
677 KB
Volume
18
Category
Article
ISSN
0009-3122

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πŸ“œ SIMILAR VOLUMES

Chemical properties of ylidene derivativ
Chemical properties of ylidene derivatives of azines. 4. Structures of the products of protonation and transformation of dihydroazinylidenecyanoacetic esters in concentrated sulfuric acid
✍ I. V. Oleinik; O. A. Zagulyaeva; A. Yu. Denisov; V. P. Mamaev πŸ“‚ Article πŸ“… 1990 πŸ› Springer US 🌐 English βš– 582 KB

It was demonstrated by UV and 13C NMR spectroscopy that in concentrated sulfuric acid ylidene derivatives of dihydropyridine (Ia) and dihydropyridazine (lla) have aromatic structures Ib and lIb, while derivatives of dihydropyrimidines Ilia and IVa, dihydropyrazine Va, and dihydro-s-triazine Via reta

ChemInform Abstract: Chemical Reactions
ChemInform Abstract: Chemical Reactions of the Stable Carbene 1,3,4-Triphenyl-4,5-dihydro- 1H-1,2,4-triazol-5-ylidene.
✍ D. ENDERS; K. BREUER; J. RUNSINK; J. H. TELES πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 33 KB πŸ‘ 2 views

## 1997 triazole derivatives triazole derivatives R 0280 ## 12 -123 Chemical Reactions of the Stable Carbene 1,3,4-Triphenyl-4,5dihydro-1H-1,2,4-triazol-5-ylidene. -Insertion reactions to afford (IV), addition reactions to give (V) and (VII), cycloaddition reactions to yield (IX) and (XI), and r