Selective reduction of aromatic azides with hexamethyldisilathiane:: synthesis of new 2-azidopyrrolo[2,1-c][1,4]benzodiazepines

2-Azidopyrrolobenzodiazepines have been synthesized via cyclization of omega-azidocarbonyl compounds employing hexamethyldisilathiane by selectively reducing the aryl azido functionality. (C) 2004 Elsevier Ltd. All right reserved.