Catalytic hydrogenation for the preparation of amines from amide acetals, ketene N, O-acetals or ester imides

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United States of America Patent

PATENT NO 9890108
SERIAL NO

15034135

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Abstract

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The present invention relates to a process for the preparation of amines, comprising the following steps: Reaction of a (i) amide acetal of the general formula (I), or (ii) ketene N,O-acetal of the general formula (II), or (iii) ester imide of the general formula (III) with H2 in the presence of a hydrogenation catalyst, where catalyst and amide acetal or ketene N,O-acetal or ester imide are used in a molar ratio of from 1:10 to 1:100 000 and where a hydrogen pressure of from 0.1 bar to 200 bar is established and where a temperature in the range of from 0° C. to 250° C. is established.

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Patent Owner(s)

  • EVONIK DEGUSSA GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kadyrov, Renat Frankfurt, DE 37 197

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