Iron-Catalyzed Tandem Reactions of ortho-Aminobenzenethiols with Isothiocyanates Leading to 2-Aminobenzoazoles Under Ligand-and Solvent-Free Conditions

Q Ding, B Cao, Q Yang, X Liu…

Index: Ding, Qiuping; Cao, Banpeng; Yang, Qin; Liu, Xianjin; Peng, Yiyuan Phosphorus, Sulfur and Silicon and the Related Elements, 2011 , vol. 186, # 8 p. 1782 - 1789

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Abstract

Abstract An efficient route to synthesize a variety of 2-aminobenzoazoles has been discovered. It involves the reaction of ortho-aminobenzenethiols with isothiocyanates via iron-catalyzed tandem addition-annulations process under ligand and solvent free conditions on silica gel surface. GRAPHICAL ABSTRACT

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