Preparation of 2-methylpentadiamine

Details Preparation of 2-methylpentadiamine Preparation of 2-methylpentadiamine

1988-08-12

1991-01-22

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

546184, C07C20900, C07D21112

Patent

active

049872630

ABSTRACT:
2-Methylpentanediamine is prepared by selectively liquid-phase hydrogenating a minimum concentration 2-methylglutaronitrile, initially nonammoniacal basic reaction medium in the presence of a catalytically effective amount of a Raney nickel-based catalyst, at a temperature of from 40.degree. to 150.degree. C., at a total pressure of less than 40 bars, and said reaction medium containing not more than 10% by weight of water.

REFERENCES:
patent: 3953511 (1976-04-01), Frech et al.
patent: 4003933 (1977-01-01), Drake
patent: 4429159 (1984-01-01), Cutchens et al.

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