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:
Jul. 22, 1997
Filed:
May. 02, 1995
Applicant:
Inventors:
Matthias Beller, Niedernhausen, DE;
Hartmut Fischer, Hofheim, DE;
Thomas Gerdau, Eppstein, DE;
Peter Gross, Kelsterbach, DE;
Assignee:
Hoechst AG, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562519 ; 562518 ; 562517 ; 562406 ;
Abstract
A process for the preparation of N-acylglycine derivatives of the formula (I) ##STR1## which comprises reacting a carboxylic acid amide with an aldehyde in the presence of a solvent and an acid to give an acylaminomethylol and then carbonylating the acylaminomethylol in the presence of a cobalt carbonyl catalyst.