Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative
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United States of America Patent
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Dec 12, 2006
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N/A
app pub date -
Mar 6, 2001
filing date -
Mar 8, 2000
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Abstract
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.degree. C.
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