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
β¦ LIBER β¦
Novel synthesis of pyrazolo[5,1-c]-1,2,4-triazoles, imidazo[1,2-b]pyrazoles, and [1,2,4]-triazolo[4,3-a]benzimidazoles. Reaction of nitrite imines with amino- and oxo-substituted diazoles
β Scribed by Elfahham, Hassan Attia; Sadek, Kamal Usef; Elgemeie, Galal Eldin Hamza; Elnagdi, Mohamed Hilmy
- Book ID
- 121242371
- Publisher
- Royal Society of Chemistry
- Year
- 1982
- Weight
- 363 KB
- Category
- Article
- ISSN
- 1472-7781
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