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:
Apr. 10, 2012
Filed:
May. 30, 2008
Thomas Zierke, Boehl-Iggelheim, DE;
Joachim Rheinheimer, Ludwigshafen, DE;
Michael Rack, Eppelheim, DE;
Sebastian Peer Smidt, Mannheim, DE;
Ansgar Gereon Altenhoff, Heidelberg, DE;
Joachim Schmidt-leithoff, Mannheim, DE;
Nina Challand, Mannheim, DE;
Thomas Zierke, Boehl-Iggelheim, DE;
Joachim Rheinheimer, Ludwigshafen, DE;
Michael Rack, Eppelheim, DE;
Sebastian Peer Smidt, Mannheim, DE;
Ansgar Gereon Altenhoff, Heidelberg, DE;
Joachim Schmidt-Leithoff, Mannheim, DE;
Nina Challand, Mannheim, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing N-substituted (3-dihalomethylpyrazol-4-yl)carboxamides of the formula (I) in which Ris optionally substituted phenyl or C-C-cycloalkyl, Ris hydrogen or fluorine, or Rtogether with Ris optionally substituted C-C-alkanediyl or C-C-cycloalkanediyl, Ris C-C-alkyl, C-C-alkenyl, C-C-alkynyl or C-C-alkoxy-C-C-alkyl, X is F or Cl and n is 0, 1, 2 or 3; which comprisesA) providing a compound of the formula (II) in which X is F or Cl, Y is Cl or Br and Rhas one of the meanings given above andB) reacting a compound of the formula (II) with carbon monoxide and a compound of the formula (III) in which R, Rand n have one of the meanings given above; in the presence of a palladium catalyst;to intermediates used for the preparation according to the process according to the invention, and also to processes for their preparation.