Process for the preparation of .alpha.,.omega.-diamines

Details Process for the preparation of .alpha.,.omega.-diamines Process for the preparation of .alpha.,.omega.-diamines

1990-05-21

1991-10-08

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

564445, 564446, 564470, C07C20926

Patent

active

050556185

ABSTRACT:
The object of this invention is the preparation of .alpha.,.omega.-diamines from .alpha., .omega.-dialdehydes in a method which comprises the reaction of a starting mixture of said dialdehyde, a primary amine, and water to form a reaction mixture, followed by treatment of said reaction mixture with excess ammonia and hydrogen in the presence of a hydrogenation catalyst to produce a final mixture.

REFERENCES:
patent: 3346640 (1967-10-01), Guyer et al.
patent: 3565954 (1971-12-01), Bouniot
patent: 3707563 (1972-12-01), Pikl
patent: 4855505 (1989-08-01), Koll
patent: 4952734 (1990-08-01), Weber et al.

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