Aminopropylation of alcohols in the presence of amide or...

Details Aminopropylation of alcohols in the presence of amide or... Aminopropylation of alcohols in the presence of amide or...

2008-07-15

2008-07-15

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Amino nitrogen containing

C564S490000, C564S491000

Reexamination Certificate

active

07399886

ABSTRACT:
This invention relates to an improved hydrogenation process for the preparation of etheramines. In the process, cyanoethylated alcohols, i.e., the reaction product of an alcohol with (meth)acrylonitrile, are contacted with hydrogen in the presence of a sponge cobalt catalyst. The improvement in the process resides in effecting the hydrogenation process utilizing a cyanoethylated alcohol feedstock contaminated with byproduct acrylonitrile and utilizing a solvent that solubilizes byproduct (meth)acrylonitrile present in the feedstock. Specific classes of solvents employed are ethers and amides.

REFERENCES:
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patent: 4313004 (1982-01-01), Kluger et al.
patent: 5075507 (1991-12-01), Carr et al.
patent: 5869653 (1999-02-01), Johnson
patent: 25 55 735 (1977-06-01), None
patent: 1419213 (1975-12-01), None

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