Copper-catalyzed synthesis of 1,2-disubstituted benzimidazoles from imidoyl chlorides

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A strategy for the synthesis of 1,2-disubstituted benzimidazoles has been developed and a variety of 1,2-disubstituted benzimidazoles were obtained from imidoyl chlorides and o-haloanilines via copper(I)-catalyzed reaction in moderate yields.
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