Sequential Regioselective Diorganochalcogenations of Imidazo[1,2‑a]pyrimidines Using I2/H3PO4 in Dimethylsulfoxide
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https://figshare.com/articles/dataset/Sequential_Regioselective_Diorganochalcogenations_of_Imidazo_1_2_i_a_i_pyrimidines_Using_I_sub_2_sub_H_sub_3_sub_PO_sub_4_sub_in_Dimethylsulfoxide/11802336
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The dichalcogenation of imidazoheterocycles led to the first functionalization of imidazo[1,2-a]pyrimidine cores on the C6-position. The methodology, involving iodine/dimethylsulfoxide oxidation of diaryldichalcogenides, started with C3-chalcogenation, followed by C6 selanylation, activated in acidic medium. This novel sequential dichalcogenation strategy proceeded efficiently with excellent regioselectivity and yields.
创建时间：
2020-01-27
