Coproduction of propanediamine and alkylated aminopropylamines

Details Coproduction of propanediamine and alkylated aminopropylamines Coproduction of propanediamine and alkylated aminopropylamines

C - Chemistry, Metallurgy

07

C

260/607.1

C07C 209/48 (2006.01) C07C 211/11 (2006.01) C07C 211/13 (2006.01) C07C 255/24 (2006.01)

Patent

CA 2013628

ABSTRACT This invention relates to a process for the coproduction of propanediamines and alkylated aminopropanediamines. The process contemplates an initial cyanoethylation of ammonia under conditions for producing aminopropionitrile and modest levels of iminobispropionitrile. After separation of the iminobispropionitrile from the aminopropionitrile, the process involves the catalytic reductive alkylation of the iminobispropionitrile by reaction with an aldehyde in the presence of hydrogen to form the alkylated iminobispropionitrile followed by the catalytic hydrogenation of the nitrile group in aminopropionnitrile and iminobispropionitrile to the amine.

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