| 摘要 |
A process for producing an aminonitropyridine represented by the general formula¢1!, which comprises reacting a nitropyridine represented by the general formula ¢2! (where X1, X2 and X3 indicate a hydrogen atom, a halogen atom, a nitro group, a cyano group, an aryl group, an aromatic heterocycle or an alkyl group, etc.; Y is an oxygen atom; and n is 0 or 1) with an O-substituted hydroxylamine represented by the general formula ¢3! (wherein R4 is a hydrogen atom, an alkyl group, a cycloalkyl group or an aralkyl group; and R5 is an alkyl group or an aralkyl group) or a salt thereof in the presence of a base and a metal catalyst.
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