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Synthesis of pyrido[3’,2’:4,5]imidazo[1,2-a]pyridines by reductive cyclisation of pyridinium salts

✍ Scribed by Roman S. Begunov; Galina A. Ryzvanovich; Ol’ga I. Nozdracheva


Book ID
111730683
Publisher
Royal Society of Chemistry
Year
2006
Tongue
English
Weight
196 KB
Volume
16
Category
Article
ISSN
0959-9436

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✍ Héctor Salgado Zamora; Benito Rizo; Elena Campos; Rogelio Jiménez; Alicia Reyes 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 116 KB

## Abstract The imidazo[1,2‐__a__]pyridine system was investigated as a synthon for the building of very attractive fused triazines, a planar, angular __tri__‐heterocycle with potential biological activity. Thus ethyl 3‐nitroimidazo[1,2‐__a__]pyridine‐2‐carboxylate was treated with ammonia or with