Biprajit Paul, Sayak Ghosh, Surajit Das and Indranil Chatterjee
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Fe(iii)-catalyzed p-selective C–H bond chalcogenation of phenols†
An efficient, eco-friendly, and scalable protocol has been introduced for the p-selective C–X (X = Se/S) bond formation of phenols employing earth-abundant, less-toxic Fe(III)-catalysts and the green solvent ethanol without using any directing template, stabilizing ligands, oxidants, or additives. The key attraction lies in the impressive p-selectivity with moderate to good yields, wide functional group compatibility under mild aerobic reaction conditions, and the synthetic modification of the products towards value-added molecules.
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