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:
Aug. 07, 2012
Filed:
Sep. 11, 2009
Applicants:
Sergiy Pazenok, Kelkheim, DE;
Mark James Ford, Bad Soden, DE;
Guenter Schlegel, Liederbach, DE;
Inventors:
Assignee:
Bayer CropScience GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 303/04 (2006.01); C07C 307/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the preparation of a compound of formula (I): Which comprises reaction of a compound of formula (II) with a compound of the formula (III) in the presence of a chlorinating agent, followed by reaction of the resultant compound of the formula (IV) with a compound of formula (V) in the presence of a base: wherein the various symbols are as defined in claim