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:
Sep. 13, 2016
Filed:
Dec. 10, 2013
Applicant:
Bayer Cropscience Ag, Monheim, DE;
Inventors:
Mark James Ford, Schmitten, DE;
Gunter Karig, Frankfurt am Main-Hoechst, DE;
Assignee:
Bayer Cropscience AG, Monheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 321/00 (2006.01); C07C 319/20 (2006.01); C07C 323/54 (2006.01);
U.S. Cl.
CPC ...
C07C 319/20 (2013.01); C07C 323/54 (2013.01);
Abstract
A process is described for preparing 4-haloalkyl-3-mercapto-substituted 2-hydroxybenzoic acid derivatives of the general formula (I) by reaction of 4-thio-substituted β-keto esters of the formula (II) with alkoxyvinyl haloalkyl ketones of the formula (III) in the presence of a base. In the above formulae, X, R, Rand Rare each hydrogen, halogen, alkyl, alkoxy and cycloalkyl.