METHOD FOR SEPARATING AN AZEPINE DERIVATIVE OUT OF A MIXTURECONTAINING AN AMINE AND AN AZEPINE DERIVATIVE

摘要

The invention relates to a method for separating by distillation a portion o r 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 .degree.C.