Synthesis of 2-Arylbenzothiazole and 2-Arylthiazole Derivatives via a Ru-Catalyzed meta-Selective C–H Nitration Reaction
2019
Liu, Deming | Luo, Puying | Ge, Junying | Jiang, Zilin | Peng, Yiyuan | Ding, Qiuping
A Ru-catalyzed meta-selective C–H nitration of 2-arylbenzothiazoles and 2-arylthiazoles has been developed. A wide range of functional groups are tolerated, providing the meta-nitrated products in good to excellent yields using Cu(NO₃)₂·3H₂O as the nitro source. The nitration could be carried out on a gram scale and used for the synthesis of promising therapeutic leads for human African trypanosomiasis.
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