112253-73-3Relevant articles and documents
Intramolecular 1,3-Dipolar Cycloadditions. Part 1. A Facile Synthesis of Benzimidazo- and Quinazolinotriazolobenzodiazepines
Mohiuddin, Ghulam,Reddy, Padala Satyanarayana,Ahmed, Khalil,Ratnam, Chengalvala Venkata
, p. 1839 - 1868 (2007/10/02)
The synthesis of hitherto unknown 9H-benzimidazotriazolobenzodiazepines (4, 11a-e and 12a-c) and 9H-quinazolinotriazolobenzodiazepin-11-ones (5 and 18a-g) is reported. 2-(2-Azidoaryl)benzimidazoles (6 and 10a-h) and 2-(2-azidoaryl)quinazolin-4(3H)-ones (7 and 17a-g) react with propargyl bromide to give non-isolable intermediates which undergo an intramolecular 1,3-dipolar cycloaddition to the title compounds.