Method for producing (hetero)aromatic hydroxylamines

Details Method for producing (hetero)aromatic hydroxylamines Method for producing (hetero)aromatic hydroxylamines

C - Chemistry, Metallurgy

07

D

C07D 231/22 (2006.01) C07C 239/08 (2006.01) C07D 213/76 (2006.01)

Patent

CA 2302937

The invention relates to a method for producing N-acylated (hetero)aromatic hydroxylamine derivatives of formula (I), wherein the substituents, the ring atom and the index have the meanings given in the Description, by hydrogenating a (hetero)aromatic nitro-compound of general formula (II) in the presence of a hydrogenation catalyst.

L'invention concerne un procédé de préparation de dérivés d'hydroxylamine (hétéro)aromatiques N-acylés de la formule (I) dans laquelle les substituants, l'atome du composé cyclique et l'indice ont la signification mentionnée dans la description. La préparation de ces dérivés s'effectue par hydrogénation d'un composé nitro (hétéro)aromatique de la formule générale (II), en présence d'un catalyseur d'hydrogénation.

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