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Communication | Regular issue | Vol 87, No. 6, 2013, pp.1241-1247
Published online, 13th May, 2013
DOI: 10.3987/COM-13-12708
Synthesis of Indoles: Sulfur-Assisted Reaction of 2-Nitrostilbenes with Carbon Monoxide

Rui Umeda, Yuuta Nishimoto, Tsukasa Mashino, and Yutaka Nishiyama*

*Faculty of Chemistry and Materials Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan

Abstract

When 2-nitrostilbenes were treated with carbon monoxide in the presence of elemental sulfur, the reductive N-heterocyclization of the 2-nitrostilbenes smoothly proceeded to give the corresponding indoles in moderate to good yields.