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ChemInform Abstract: Heterocyclic Fused Rings with Bridgehead Nitrogen Atoms: Single-Step Synthesis of Azolo(5′′,1′′:3′,4′)(1,2,4)triazino(5′,6′:4,5)pyrimido(1, 6-a)benzimidazoles.

✍ Scribed by A. M. FARAG


Book ID
112021629
Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
26
Category
Article
ISSN
0931-7597

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Synthesis of new bridgehead heterocycles
✍ Sunita Bhagat; Manish Jain; Mukesh K. Pandey; Pragati; Anjali Saxena; Subhash C. 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 571 KB

## Abstract A new bridgehead nitrogen hetero‐ cycle viz. 11‐carboethoxy‐9‐oxo‐pyrimido[3′2′:3,4]‐1,2,4‐triazino[5,6‐b]indole **3** has been synthesized from 3‐azido‐5H‐1,2,4‐triazino[5,6‐b]indole **2** by its reaction with diethyl fumerate. The intermediate **2** was obtained by treating 3‐hydrazin