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.
本发明涉及一种通过蒸馏从含有氮杂
环庚烷衍
生物(III)和胺(I)的混合物(II)中分离出部分或全部氮杂
环庚烷衍
生物(III)的方法,氮杂
环庚烷衍
生物(III)选自亚
氨基己基
亚胺、四氢氮杂
环庚烷、六氢氮杂
环庚烷和
氨基己基六氢氮杂
环庚烷组成的组。本发明方法的特点是蒸馏过程中的最高底部温度为 150 摄氏度。