Superacid-Promoted Reactions of α-Ketoamides and Related Systems
journal contributionposted on 05.09.2008 by Kiran Kumar Solingapuram Sai, Pierre M. Esteves, Eduardo Tanoue da Penha, Douglas A. Klumpp
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The superacid-promoted reactions of α-hydroxy and α-ketoamides have been studied. Ionization of these compounds leads to varied aryl-substituted oxyindole products. In some cases, electrocyclization can lead to substituted fluorene products. Dicationic, superelectrophilic intermediates are proposed as intermediates leading to the products from α-hydroxy and α-ketoamides.