PROCESS FOR PREPARING STEREOISOMERIC N-ARALKYL-2,6-DIMETHYLMORPHOLINES

1. A process for the preparation of a stereoisomeric N-aralkyl-2,6-dimethylmorpholine of the formula I see diagramm : EP0007093,P5,F1 where R1 is hydrogen, an aliphatic radical of 1 to 10 carbon atoms or alkoxy of 1 to 6 carbon atoms and R2 , R3 and R4 each denote hydrogen or an aliphatic radical of...

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Bibliographic Details
Main Authors GOETZ, NORBERT, HUPFER, LEOPOLD
Format Patent
LanguageEnglish
German
Published 20.05.1981
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
APPARATUS THEREFOR
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Summary:1. A process for the preparation of a stereoisomeric N-aralkyl-2,6-dimethylmorpholine of the formula I see diagramm : EP0007093,P5,F1 where R1 is hydrogen, an aliphatic radical of 1 to 10 carbon atoms or alkoxy of 1 to 6 carbon atoms and R2 , R3 and R4 each denote hydrogen or an aliphatic radical of 1 to 4 carbon atoms, or of a defined mixture of such compounds, by reacting a stereoisomeric 2,6-dimorpholine of the formula II see diagramm : EP0007093,P5,F2 are defined mixture of such compounds with a compound of the formula III see diagramm : EP0007093,P5,F3 where R1 , R2 , R3 and R4 have the above meanings, characterized in that the reaction is carried out in the presence of hydrogen and of a hydrogenation catalyst with contains palladium mixed with silver on an inert carrier.
Bibliography:Application Number: EP19790102377