Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1986-01-23
1988-06-28
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
564452, C07C 6524
Patent
active
047540702
ABSTRACT:
This invention relates to an improved hydrogenation process wherein methylenedianiline is reduced to form bis(para-aminocyclohexyl)methane (PACM). The process contemplates contacting methylenedianiline and hydrogen in the presence of a two component metal catalyst comprising rhodium and ruthenium under mild hydrogenation conditions. Use of the mixed metal catalyst system allows one to obtain a preselected isomer ratio having from about 5-40% by weight, typically 14-28% by weight of the trans,trans- configurational isomer.
REFERENCES:
patent: 2511028 (1950-06-01), Whitman
patent: 2606924 (1952-08-01), Whitman
patent: 2606925 (1952-08-01), Whitman
patent: 2606928 (1952-08-01), Barkdoll et al.
patent: 3155724 (1964-11-01), Arthur
patent: 3347917 (1967-10-01), Arthur
patent: 3591635 (1971-07-01), Farissey et al.
patent: 3636108 (1972-01-01), Brake
patent: 3644522 (1972-02-01), Brake et al.
patent: 3679746 (1972-07-01), Brake
patent: 3697449 (1972-10-01), Brake
patent: 3711550 (1973-01-01), Brake
patent: 3743677 (1973-07-01), Grosskinsky et al.
patent: 3766272 (1973-10-01), Brake
patent: 3856862 (1974-12-01), Chung et al.
patent: 4394522 (1983-07-01), Allen
patent: 4394523 (1983-07-01), Allen
patent: 4448995 (1984-05-01), Allen
Casey Jeremiah P.
Fasolka Michael J.
Air Products and Chemicals Inc.
Brewer Russell L.
Hollrah Glennon H.
Marsh William F.
Simmons James C.
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