Process for producing diamines

Details Process for producing diamines Process for producing diamines

1998-05-14

1999-10-26

Burn, Brian M.

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

Organic compounds

Amino nitrogen containing

C07C20926

Patent

active

059732083

ABSTRACT:
A process for producing diamines by reacting a dialdehyde with ammonia and hydrogen in the presence of a hydrogenation catalyst to produce the corresponding diamine, where a solvent comprising an alcohol is used in the reaction and the concentration of water in the reaction mixture is 5 to 15% by weight.

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patent: 4218399 (1980-08-01), Siclari et al.
patent: 5055618 (1991-10-01), Kampmann et al.
patent: 5475141 (1995-12-01), Kos et al.
Database WPI, Derwent Publications, AN 95-299534, JP 7-196586, Aug. 01, 1995.
Database WPI, Derwent Publications, AN 93-071072, JP 5-017413, Jan. 26, 1993.

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