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Pyrazole-3(5)-diazonium salts in the synthesis of novel pyrazolo[5,1-c][1,2,4]triazines

✍ Scribed by Kh. S. Shikhaliev; V. V. Didenko; V. A. Voronkova; D. V. Kryl’skii


Publisher
Springer
Year
2009
Tongue
English
Weight
399 KB
Volume
58
Category
Article
ISSN
1573-9171

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📜 SIMILAR VOLUMES


ChemInform Abstract: Pyrazole-3(5)-diazo
✍ Kh. S. Shikhaliev; V. V. Didenko; V. A. Voronkova; D. V. Kryl'skii 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 1 views

## Abstract Coupling of pyrazole‐3(5)‐diazonium salts with cyclic 1,3‐dicarbonyl compounds followed by cyclocondensation of the resulting hetarylhydrazones provides a facile access to novel pyrazolotriazine derivatives.

New application of heterocyclic diazoniu
✍ Juan Pablo Colomer; Elizabeth Laura Moyano 📂 Article 📅 2011 🏛 Elsevier Science 🌐 French ⚖ 603 KB

The pyrazolo [3,4-d][1,2,3]triazin-4-ones 3 and imidazo [4,5-d][1,2,3]triazin-4-ones 4 are analogs structurally related to purines that have showed a wide and significant variety of biological activity. These compounds were synthesized by one-pot diazotization of 5-amino-1H-pyrazole-4-carbonitriles