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Paper | Regular issue | Vol 63, No. 1, 2004, pp.41-54
Published online, 4th November, 2003
DOI: 10.3987/COM-03-9903
Indium-mediated Reductive Inter-molecular Coupling Reaction of 2-Nitroaniline with Aromatic Aldehydes to Benzimidazoles

Byeong Hyo Kim,* Rongbi Han, Ji Sook Kim, Young Moo Jun, Woonphil Baik, and Byung Min Lee

*Department of Chemistry, Kwangwoon University, 447-1, Wolgye-Dong Nowon-ku, Seoul, 139-701, Korea

Abstract

2-Nitroaniline and aromatic aldehydes were coupled to give benzimidazoles in high yields in the presence of 2-bromo-2-nitropropane and indium at room temperature.