The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2018
Filed:
Oct. 15, 2014
Applicant:
Renat Kadyrov, Frankfurt, DE;
Inventor:
Renat Kadyrov, Frankfurt, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/52 (2006.01); C07B 43/04 (2006.01); C07C 209/68 (2006.01); C07C 213/00 (2006.01); C07C 253/30 (2006.01); C07D 295/023 (2006.01); C07D 295/027 (2006.01); C07D 295/03 (2006.01); C07C 213/02 (2006.01);
U.S. Cl.
CPC ...
C07C 209/52 (2013.01); C07B 43/04 (2013.01); C07C 209/68 (2013.01); C07C 213/00 (2013.01); C07C 213/02 (2013.01); C07C 253/30 (2013.01); C07D 295/023 (2013.01); C07D 295/027 (2013.01); C07D 295/03 (2013.01); C07C 2601/14 (2017.05);
Abstract
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 Hin 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.