Selective Reduction of 2,4-Dinitro- and 4,5-Dinitroimidazole Derivatives Using Iron Dust

[摘要]：A series of N-substituted 2,4-dinitroimidazoles, 4,5-dinitroimidazoles, and 2-methyl-4,5-dinitroimidazoles have been selectively reduced to the corresponding aminonitroimidazole derivatives, using iron dust in glacial acetic acid at room temperature. 2,4-Dinitroimidazoles have been reduced to the 2-amino-4-nitro-derivatives only but 4,5-dinitroimidazoles have given 4-amino-5-nitro- or 5-amino-4-nitro-derivatives depended on the structure of the N-substituent.

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