METHOD FOR REDUCING AMINE CONTENT OF N-SUBSTITUTED LACTAM

METHOD FOR REDUCING AMINE CONTENT OF N-SUBSTITUTED LACTAM

PROBLEM TO BE SOLVED: To provide a method for economically, selectively and efficiently reducing the content of amine existing in N-substituted lactams as an impurity. SOLUTION: The method for reducing the amine content of amine-contaminated N-substituted lactams comprises treating the contaminated...

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Bibliographische Detailangaben
Hauptverfasser: CIPRIAN JUERGEN, IFFLAND GABRIELE, HENKES ERHARD
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for economically, selectively and efficiently reducing the content of amine existing in N-substituted lactams as an impurity. SOLUTION: The method for reducing the amine content of amine-contaminated N-substituted lactams comprises treating the contaminated N-substituted lactams with an acid macroporous cation exchanger. COPYRIGHT: (C)2011,JPO&INPIT