Iron-Promoted Three-Component 2-Substituted Benzothiazole Formation via Nitroarene ortho-C–H Sulfuration with Elemental Sulfur
2019
Xing, Qiaoyan | Ma, Yanfeng | Xie, Hao | Xiao, Fuhong | Zhang, Feng | Deng, Guo-Jun
A three-component procedure for the preparation of 2-substituted benzothiazoles from nitroarenes, alcohols, and sulfur powder is described. The reaction showed a good functional group tolerance to provide the heterocyclic products in moderate to good yields. The sequential assembly involving nitro reduction, C–N condensation, and C–S bond formation has been realized in one pot.
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