Process for the preparation of a mixture of cyclohexylamine and

Details Process for the preparation of a mixture of cyclohexylamine and Process for the preparation of a mixture of cyclohexylamine and

1993-08-27

1994-06-21

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564449, 564450, 564457, 564462, C07C20926

Patent

active

053229657

ABSTRACT:
Optionally substituted cyclohexylamine and optionally substituted dicyclohexylamine can be obtained by catalytic hydrogenation of optionally substituted aniline, a catalyst being employed which contains ruthenium, palladium or a mixture of both metals, which are applied to a support of niobic acid or tantalic acid or a mixture of both. The catalyst contains the noble metal(s) in a total amount from 0.05 to 5% by weight, relative to the total weight of the catalyst. In the case of the use of both noble metals, their weight ratio to one another is 1:9-9:1.

REFERENCES:
patent: 4487966 (1984-12-01), Fiedler et al.
patent: 4503251 (1985-03-01), Gray et al.
patent: 4666881 (1987-05-01), Wood et al.
patent: 4952549 (1990-08-01), Immel et al.

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