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Synthesis of Indeno-Fused Derivatives of Quinolizinium Salts, Imidazo[1,2- a ]pyridine, Pyrido[1,2- a ]indole, and 4 H -Quinolizin-4-one via Benzannulated Enyne−Allenes

✍ Scribed by Dai, Weixiang; Petersen, Jeffrey L.; Wang, Kung K.


Book ID
120428713
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
160 KB
Volume
70
Category
Article
ISSN
0022-3263

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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