Method for preparing alkoxyamines from nitroxides

Details Method for preparing alkoxyamines from nitroxides Method for preparing alkoxyamines from nitroxides

C - Chemistry, Metallurgy

07

C

C07C 239/20 (2006.01) C07D 295/24 (2006.01) C07F 9/40 (2006.01)

Patent

CA 2334845

The invention concerns a method for preparing alkoxyamines which consists in mixing in an organic solvent, a metallic salt, a metal ligand, a halogeno-carbon ZX compound and a nitroxide; in maintaining the reaction medium stirred at a temperature ranging between 20 ·C and 90 ·C, until the nitroxide disappears; in recuperating the organic by evaporating the organic solvent under reduced pressure.

L'invention concerne un procédé de préparation d'alcoxyamines. Ce procédé consiste à mélanger dans un solvant organique, un sel métallique, un ligand du métal, un composé halogéno-carboné ZX et un nitroxyde, à maintenir le milieu réactionnel sous agitation à une température comprise entre 20 ~C et 90 ~C, jusqu'à disparition du nitroxyde, à récupérer la phase organique, à la laver avec de l'eau puis à isoler l'alcoxyamine par évaporation du solvant organique sous pression réduite.

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