Process for preparing N-alkyl-alkylene-diamines

Details Process for preparing N-alkyl-alkylene-diamines Process for preparing N-alkyl-alkylene-diamines

1981-07-22

1983-02-08

Doll, John

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

Organic compounds

Amino nitrogen containing

564471, 564472, C07C 8508

Patent

active

043731074

ABSTRACT:
A process for preparing an N-alkylene-diamine by contacting an alkylene diamine with an aliphatic aldehyde in a reaction solvent in the presence of hydrogen under pressure and an platinum group metal, which comprises gradually adding the aliphatic aldehyde to the alkylene diamine. The process according to the present invention provides a high conversion of the alkylene diamine and a high selectivity to the N-alkyl-alkylene-diamine.

REFERENCES:
patent: 2317757 (1943-04-01), Graf
patent: 3442951 (1969-05-01), Thirion

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