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Triazoles. Part 44. Synthesis of New Ring Systems Containing Imidazo[2′,1′:3,4][1,2,4]triazolo[1,5-a]pyrimidine and Imidazo[1′,2′:2,3][1,2,4]triazolo[1,5-a]pyrimidine Skeleton.

✍ Scribed by Gabor Berecz; Jozsef Reiter; Gyula Argay; Alajos Kalman


Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
33
Category
Article
ISSN
0931-7597

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One-pot synthesis of imidazo[1,2-b]pyraz
✍ Ahmad M. Farag; Kamal M. Dawood 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 181 KB 👁 1 views

Hydrazonoyl bromides 1a-c react with 5-amino-3phenyl-1H-pyrazole, 5-amino-1H-1,2,4-triazole, 2aminopyridine, 2-aminopyrimidine, and 2-aminobenzimidazole to afford the corresponding imidazo[1,2-b]pyrazoles 10, imidazo[1,2-b]-1,2,4-triazoles 11, imidazo[1,2-a]pyridines 16, imidazo[1,2-a]pyrimidines 17