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:
Feb. 11, 2020
Filed:
Sep. 18, 2017
Applicants:
Bayer Cropscience Aktiengesellschaft, Monheim am Rhein, DE;
Centre National DE LA Recherche Scientifique (Cnrs), Paris, FR;
Inventors:
Sergii Pazenok, Solingen, DE;
Jean-Pierre Vors, Sete, FR;
Frédéric R. LeRoux, Herrlisheim, FR;
Etienne Schmitt, Strasbourg, FR;
Assignees:
BAYER CROPSCIENCE AKTIENGESELLSCHAFT, Monheim am Rhein, DE;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 231/14 (2006.01); C07C 251/08 (2006.01); C07C 249/02 (2006.01); C07D 401/04 (2006.01);
U.S. Cl.
CPC ...
C07D 231/14 (2013.01); C07C 249/02 (2013.01); C07C 251/08 (2013.01); C07D 401/04 (2013.01);
Abstract
The present invention relates to a novel process for preparing 3-fluoroalkyl-5-pyrazolecarboxylates from ketimines and oxalic acid derivatives which can be further transformed into 3-fluoroalkyl-5-pyrazolecarboxylic acids.