Ruthenium catalysts, their preparation and a process for prepari

Details Ruthenium catalysts, their preparation and a process for prepari Ruthenium catalysts, their preparation and a process for prepari

1995-02-03

1997-09-02

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

502304, 502324, 564452, C07C20972

Patent

active

056634439

ABSTRACT:
Novel ruthenium catalysts additionally contain carbonates, hydroxides and/or hydrated oxides of cerium and manganese or of manganese and/or dehydration products thereof. They can optionally be present on a support material and can be prepared by converting soluble compounds of ruthenium, cerium and manganese by treatment with alkaline compounds into insoluble compounds and optionally further treating these. Such catalysts are particularly suitable for the preparation of cycloaliphatic polyamines by hydrogenation of corresponding aromatic amines.

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