Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1997-02-05
1998-03-17
Burn, Brian M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C20972
Patent
active
057288836
ABSTRACT:
In the preparation of a mixture of cyclohexylamine and dicyclohexylamine by catalytic hydrogenation of aniline at elevated temperature and elevated H.sub.2 pressure, use is made of reduced, support-free catalysts which comprise pressed element (hydr)oxide powders of Co, Mn, alkaline earth metals and element (hydr)oxide powders of elements of transition groups V and/or VI of the Periodic Table.
REFERENCES:
patent: 3636108 (1972-01-01), Brake
patent: 4057513 (1977-11-01), Biedermann et al.
patent: 4429155 (1984-01-01), Goetz et al.
patent: 5322965 (1994-06-01), Immel et al.
patent: 5386060 (1995-01-01), Immel et al.
Darsow Gerhard
Niemeier Wilfried
Petruck Gerd-Michael
Bayer Aktiengesellschaft
Burn Brian M.
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