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Condensation of 5-amino-4-arylpyrazoles with itaconic acid and maleic anhydride

✍ Scribed by Filimonov, S. I.; Korsakov, M. K.; Chirkova, Zh. V.; Abramov, I. G.; Stashina, G. A.; Firgang, S. I.; Kovygin, Yu. A.; Shikhaliev, Kh. S.


Book ID
125357997
Publisher
Springer US
Year
2013
Tongue
English
Weight
396 KB
Volume
49
Category
Article
ISSN
0009-3122

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πŸ“œ SIMILAR VOLUMES


Friedel-crafts reactions of 2-amino-4-(a
✍ Belew Mekonnen; George Crank πŸ“‚ Article πŸ“… 1997 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 484 KB

## Abstract Acid chlorides and anhydrides react with 2‐amino‐4‐alkyloxazoles in the presence of aluminum chloride to produce 5‐acyl substituted 2‐amino‐4‐alkyloxazoles in modest yields. However, in the absence of the Lewis acid reaction occurs at the amino group to give the corresponding amides. Th