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:
Nov. 02, 2021
Filed:
May. 26, 2017
Applicant:
Bayer Cropscience Aktiengesellschaft, Monheim am Rhein, DE;
Inventors:
Stefan Antons, Leverkusen, DE;
Martin Littmann, Leverkusen, DE;
Joerg Schulz, Dormagen, DE;
Wahed Ahmed Moradi, Monheim, DE;
Thomas Geller, Odenthal, DE;
Assignee:
Bayer CropScience Aktiengesellschaft, Monheim am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 417/06 (2006.01);
U.S. Cl.
CPC ...
C07D 417/06 (2013.01);
Abstract
The present invention relates to a process for producing compounds of formula (I) in which R, A, X and Z are as defined in the descriptionby reaction of compounds of formula (II) or salts thereof with 2-chloro-5-chloromethylpyridine in a nonpolar aliphatic or aromatic solvent, preferably in the presence of a phase transfer catalyst.