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Cyclization of azines with bifunctional nucleophiles — a one-step route to condensed heterocycles (review)

✍ Scribed by V. N. Charushin; M. G. Ponizovskii; O. N. Chupakhin

Book ID
112359504
Publisher
Springer US
Year
1985
Tongue
English
Weight
965 KB
Volume
21
Category
Article
ISSN
0009-3122

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✍ S.G. Alexeev; V.N. Charushin; O.N. Chupakhin; G.G. Alexandrov 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 226 KB

The reaction of 1,2,4-triazinium salts with amides of acetoacetic acid yielding ,7,7a-hexahydro-6H-pyrrolo[3,2-e]-1,2,4-triazin-6-ones exemplifies the first direct to the 1,2,4-triazine ring based on the diaddition of bifunctional nucleophiles at C-5 and C-6.