Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates

1 182 3 18The invention relates to a process for preparing 4-[aminoalkoxy]benzylamines of the general formula (I) by catalytically hydrogenating 4-[aminoalkoxy]benzonitriles of the general formula (II) where, in the compounds of the general formulae I and II, Ris C-C-alkylene, Rand Rare each indepen...

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Bibliographische Detailangaben
Hauptverfasser: Löber, Oliver, Benisch, Christoph, Ebel, Klaus, Melder, Johann-Peter
Format: Patent
Sprache:eng
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Zusammenfassung:1 182 3 18The invention relates to a process for preparing 4-[aminoalkoxy]benzylamines of the general formula (I) by catalytically hydrogenating 4-[aminoalkoxy]benzonitriles of the general formula (II) where, in the compounds of the general formulae I and II, Ris C-C-alkylene, Rand Rare each independently C-C-alkyl or are joined to give a ring which may additionally contain a heteroatom, which comprises carrying out the hydrogenation at elevated pressure and elevated temperatures. The invention further relates to a process for preparing the intermediate (II).