Iodine-Catalyzed Amination of Benzoxazoles: A Metal-Free Route to 2-Aminobenzoxazoles under Mild Conditions
作者:Manjunath Lamani、Kandikere Ramaiah Prabhu
DOI:10.1021/jo201402a
日期:2011.10.7
route of oxidative amination of benzoxazole by activation of C–H bonds with secondary or primary amines in the presence of catalytic iodine in aqueous tert-butyl hydroperoxide proceeds smoothly at ambient temperature under neat reaction condition to furnish the high yield of the aminated product. This user-friendly method to form C–Nbonds produces tertiary butanol and water as the byproduct, which are
A green approach for the synthesis of 2-amino azoles by the reaction of 2-chloro azoles with various types of amines using water as an environment friendly solvent at room temperature has been developed. The significant features of this methodology are short reaction time and easy product separation. This approach provides various biologically active compounds in good to excellent yields without adding any catalyst, ligand, or base. (C) 2015 Elsevier Ltd. All rights reserved.