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Short Paper | Regular issue | Vol 87, No. 1, 2013, pp.155-162
Published online, 28th November, 2012
DOI: 10.3987/COM-12-12605
Synthesis of Indoles from o,β-Dinitrostyrenes via Indium/Acetic Acid-Mediated Reductive Heterocyclizations

Geunsoo Lee, Jaehwan Choi, Byung Min Lee, and Byeong Hyo Kim*

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


Reductive heterocyclization reactions of various 1-nitro-2-(2-nitroaryl)ethenes to indoles were investigated. In the presence of indium/AcOH in toluene or benzene, 1-nitro-2-(2-nitroaryl)ethenes were cyclized to give corresponding indoles in good yields.