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:
Oct. 28, 2014
Filed:
Jul. 07, 2011
Applicants:
Lillemor Maria Bock, Karlskoga, SE;
Par Henning Holmberg, Karlskoga, SE;
Karl-erik Jansson, Dalby, SE;
Inventors:
Lillemor Maria Bock, Karlskoga, SE;
Par Henning Holmberg, Karlskoga, SE;
Karl-Erik Jansson, Dalby, SE;
Assignee:
Active Biotech AB, Lund, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 215/56 (2006.01);
U.S. Cl.
CPC ...
C07D 215/56 (2013.01);
Abstract
A method for preparing a compound of formula (I) by reacting the appropriate alkyl ester and an aniline derivative, in a refluxing mixture containing an aliphatic solvent or a mixture of aliphatic solvents having a boiling point in the range of 68-191° C.; condensing vapors of the refluxing mixture; treating the condensed vapors with an alcohol scavenging agent or a mixture of alcohol scavenging agents; and returning the condensed vapors back to the reaction mixture.