Process for the preparation of 1,4-bis(aminomethyl) cyclohexane

Details Process for the preparation of 1,4-bis(aminomethyl) cyclohexane Process for the preparation of 1,4-bis(aminomethyl) cyclohexane

1997-10-31

1998-08-04

Burn, Brian M.

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

Organic compounds

Amino nitrogen containing

C07C20916

Patent

active

057896208

ABSTRACT:
The present invention relates to a process for preparing 1,4-bis(aminomethyl)cyclohexane by reacting a 40 to 80 wt. % aqueous solution of 1,4-bis(hydroxymethyl)cyclohexane with a mixture of hydrogen and ammonia in the presence of a nickel/copper/chromium catalyst at a pressure of 100 to 250 bar and a temperature of 150.degree. to 250.degree. C.

REFERENCES:
patent: 3143570 (1964-08-01), Caldwell et al.
patent: 3551487 (1970-12-01), Bluestein
patent: 4222961 (1980-09-01), Butte, Jr. et al.
patent: 5288911 (1994-02-01), Koppenhoefer

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