Process for the preparation of 2-methyl-2,4-diaminopentane

Details Process for the preparation of 2-methyl-2,4-diaminopentane Process for the preparation of 2-methyl-2,4-diaminopentane

1997-10-31

1998-09-01

Burn, Brian M.

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

Organic compounds

Amino nitrogen containing

564469, 564470, 564471, C07C20926

Patent

active

058012850

ABSTRACT:
The present invention relates to a process for preparing 2-methyl-2,4-diaminopentane by introducing acetone, ammonia and hydrogen into a two-zone reactor at a temperature of 20.degree. to 130.degree. C. and a pressure of 30 to 250 bar, wherein the first zone contains a cationic exchange resin containing NH.sub.4.sup..sym. groups or an aluminum oxide and/or silicon oxide catalyst and the second zone contains a hydrogenation catalyst containing nickel.

REFERENCES:
patent: 3904625 (1975-09-01), Alink
patent: 4652625 (1987-03-01), Renken et al.

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