Copper-Mediated Synthesis of Substituted 2-Aryl-N-benzylbenzimidazoles and 2-Arylbenzoxazoles via C–H Functionalization/C–N/C–O Bond Formation
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https://figshare.com/articles/dataset/Copper_Mediated_Synthesis_of_Substituted_2_Aryl_i_N_i_benzylbenzimidazoles_and_2_Arylbenzoxazoles_via_C_H_Functionalization_C_N_C_O_Bond_Formation/2635108
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An efficient method for the transformation of N-benzyl bisarylhydrazones and bisaryloxime ethers to functionalized 2-aryl-N-benzylbenzimidazoles and 2-arylbenzoxazoles is described. The protocol involves a copper(II)-mediated cascade C–H functionalization/C–N/C–O bond formation under neutral conditions. Substrates having either electron-donating or -withdrawing substituents undergo the cyclization to afford the target heterocycles at moderate temperature.
创建时间：
2016-02-23
