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. 17, 2012
Filed:
Dec. 18, 2009
Applicants:
Matthias Boll, Köln, DE;
Burkhard Koch, Köln, DE;
Inventors:
Matthias Boll, Köln, DE;
Burkhard Koch, Köln, DE;
Assignee:
SALTIGO GmbH, Langenfeld, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 265/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing acyl amide compounds is described, in which a recrystallized o-nitrophenoxy carbonyl compound is hydrogenated with hydrogen gas in the presence of a nickel sponge metal catalyst with ring closure to form a benzoxazine, which is then reacted with an acyl halide to give the corresponding acyl amide compound.