[12] Patent
[11] Patent No.:GC0006004  
[45] Date of Publishing the Grant of the Patent: 31/Jul /2017                39/2017  
Number of the Decision to Grant the Patent:2017/108179
Date of the Decision to Grant the Patent:31/Jul/2017

[21] Application No.:GC 2013-31467

[22] Filing Date:16/1/2013

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventors:1- Roland Bou Chedid،2- Alfred Oftring،3- Wolfgang Staffel،4- Markus Christian Biel،5- Johann-Peter Melder،6- Christian Grünanger

[73] Owner: BASF SE, 67056, Ludwigshafen, Germany

[74] Agent: Saba & Co. T.M.P




Int. Cl.: C07C 227/08 (2006.01)

[56] Cited Documents:

-US 4350826 A (EDWARDS PH I LIP N ET AL), 21 September 1982
-EP 0295550 A1 (BASF AG [DE]) 21 December 1988
Examiner: Eng. Yusuf AlRaqabi

[57] Abstract: Process for the preparation of racemic ?-amino acids or of glycine, wherein the corresponding ?-hydroxycarboxylic acid, selected from hydroxyacetic acid, lactic acid, malic acid, ?-hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, or at least one salt of the corresponding ?-hydroxycarboxylic acid is reacted in the presence of at least one heterogeneous catalyst which comprises at least one transition metal, in the presence of hydrogen with at least one nitrogen compound (c), where the nitrogen compound (c) is selected from primary and secondary amines and ammonia.
No. of claims: 4


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