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:
Jun. 05, 2018
Filed:
May. 18, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Andreas Pletsch, Limburgerhof, DE;
Nicole Holub, Mannheim, DE;
Thomas Ulrich, Olten, CH;
Petr Kvita, Reinach, CH;
Laurent Cavin, Frenkendorf, CH;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 37/01 (2006.01); C07C 51/353 (2006.01); C07C 37/045 (2006.01); C07C 37/76 (2006.01); C07C 241/02 (2006.01); C07C 209/36 (2006.01); C07C 201/08 (2006.01); C07C 51/00 (2006.01); C07C 67/00 (2006.01);
U.S. Cl.
CPC ...
C07C 51/353 (2013.01); C07C 37/045 (2013.01); C07C 37/76 (2013.01); C07C 51/00 (2013.01); C07C 67/00 (2013.01); C07C 201/08 (2013.01); C07C 209/365 (2013.01); C07C 241/02 (2013.01);
Abstract
The present invention relates to a process for reacting chemical compounds comprising the step of reacting a compound of formula (IV) wherein Hal is independently selected from Cl or Br, and Xis a monovalent anion, in the presence of an inorganic acid, wherein the aqueous inorganic acid has a concentration of at least about 60%, at a temperature of about 140° C. to about 250° C., to obtain a compound of formula (V) wherein Hal is as defined above.