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:
Dec. 29, 2020
Filed:
Aug. 09, 2017
Applicant:
Bayer Cropscience Aktiengesellschaft, Monheim am Rhein, DE;
Inventors:
Marc Mosrin, Cologne, DE;
Ruediger Fischer, Pulheim, DE;
Dominik Hager, Monheim, DE;
Laura Hoffmeister, Duesseldorf, DE;
Nina Kausch-Busies, Bergisch Gladbach, DE;
David Wilcke, Duesseldorf, DE;
Matthieu Willot, Duesseldorf, DE;
Assignee:
BAYER CROPSCIENCE AKTIENGESELLSCHAFT, Monheim am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/04 (2006.01); C07D 491/056 (2006.01); C07D 487/04 (2006.01); B01J 31/24 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); B01J 31/2404 (2013.01); C07D 487/04 (2013.01); C07D 491/056 (2013.01); B01J 2531/824 (2013.01);
Abstract
The present invention relates to a process for preparing halogenated pyridine derivatives of the formula (II) proceeding from compounds of the structure Q-H via intermediates of the formula (IIIa) or (IIIb) in which where the symbol # indicates the bond to the rest of the molecule and A, Q, Q, Q, Q, Qand Qhave the definitions given in the description,