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Condensed derivatives of benzazoles. 1. Synthesis of 6- and 5-substituted benzimidazo[2,1-b]quinazolin-12-ones

✍ Scribed by I. I. Popov; S. L. Boroshko; B. A. Tertov; S. P. Makarov; A. M. Simonov; B. Ya. Simkin

Book ID
104781336
Publisher
Springer US
Year
1987
Tongue
English
Weight
490 KB
Volume
23
Category
Article
ISSN
0009-3122

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✍ Xuan Zhao; Da-Qing Shi πŸ“‚ Article πŸ“… 2010 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 108 KB

## Abstract magnified image A short and facile synthesis of imidazo[1,2‐__c__]quinazolin‐5(6__H__)‐ones and benzimidazo[1,2‐__c__]quinazolin‐6(5__H__)‐ones was accomplished in good yields __via__ the novel reductive cyclization of 2‐(2‐nitrophenyl)imidazoles or 2‐(2‐nitrophenyl)benzoimidazoles wit