Iron(II) bromide-catalyzed synthesis of benzimidazoles from aryl azides |
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| Authors: | Shen Meihua Driver Tom G |
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| Institution: | Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, USA. |
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| Abstract: | The identity of the ortho-substituent of an aryl azide influences its reactivity toward transition metals. Substitution of a vinyl group with an imine disables rhodium(II)-mediated C-H amination and triggers a Lewis acid mechanism catalyzed by iron(II) bromide to facilitate benzimidazole formation. |
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