Process for producing aminonitropyridines

Details Process for producing aminonitropyridines Process for producing aminonitropyridines

C - Chemistry, Metallurgy

07

D

C07D 213/73 (2006.01) C07D 213/78 (2006.01) C07D 213/84 (2006.01) C07D 213/85 (2006.01) C07D 213/89 (2006.01) C07D 215/38 (2006.01) C07D 215/42 (2006.01) C07D 215/60 (2006.01) C07D 401/04 (2006.01) C07D 405/04 (2006.01) C07D 409/04 (2006.01) C07D 413/04 (2006.01) C07D 417/04 (2006.01) C07D 471/04 (2006.01) C07D 491/04 (2006.01) C07D 495/04 (2006.01)

Patent

CA 2172750

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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