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. 29, 2015
Filed:
May. 10, 2013
Applicant:
Bayer Cropscience Ag, Monheim, DE;
Inventors:
Assignee:
BAYER CROPSCIENCE AG, Monheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 231/14 (2006.01);
U.S. Cl.
CPC ...
C07D 231/14 (2013.01);
Abstract
The present invention relates to a novel method for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful precursor for the preparation of fungicides, by means of reductive dehalogenation, starting from N-alkyl-3-haloalkyl-5-halopyrazolecarbaldehyde.