Method for separating an azepine derivative out of a mixture...

Details Method for separating an azepine derivative out of a mixture... Method for separating an azepine derivative out of a mixture...

C - Chemistry, Metallurgy

07

C

C07C 253/34 (2006.01) C07C 209/48 (2006.01) C07C 209/86 (2006.01) C07D 223/04 (2006.01) C07D 223/12 (2006.01)

Patent

CA 2402236

The invention relates to a method for separating by distillation a portion or the entirety of an azeptine derivative (III), which is selected from the group consisting of aminohexylidene imine, tetrahydroazepine, hexylhexahydroazepine and of aminohexylhexahydroazepine, out of a mixture (II) containing an azepine derivative (III) and an amine (I). The inventive method is characterized in that the distillation is carried out with a maximum bottom temperature of 150 °C.

L'invention concerne un procédé permettant de séparer par distillation une partie ou la totalité d'un dérivé d'azépine (III) sélectionné dans le groupe comprenant aminohexylidnimine, tétrahydroazépine, hexylhexahydroazépine et aminohexylhydroazépine d'un mélange (II) contenant un dérivé azépine (III) et une amine (I). Ce procédé se caractérise en ce que la distillation s'effectue à une température de sédimentation d'au plus 150 DEG C.

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