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Imidazo[2,1-b]-1,3,4-thiadiazolo[3,2-a]pyrimidone-(6) aus 2-Acetoacetylamino-imidazo[2,1-b]-1,3,4-thiadiazolen

✍ Scribed by Heinz Paul; Adolf Sitte; Rolf Wessel


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
299 KB
Volume
314
Category
Article
ISSN
0365-6233

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📜 SIMILAR VOLUMES


One-pot synthesis of imidazo[1,2-b]pyraz
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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

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and 3-aminopyrazole and 3-amino-1,2,4-triazole provide convenient access to biologically relevant 3H-imidazo[1,2-b]pyrazoles and a 5H-imidazo[2,1-c][1,2,4]triazole.