METHOD FOR THE PRODUCTION OF N-SUBSTITUTED (3-DIHALOMETHYL-1-METHYL-PYRAZOLE-4-YL)CARBOXAMIDES

摘要

The present invention relates to a method for the production of n-substituted (3-dihalomethyl-1-methyl-pyrazole-4-YL) carboxamides of the formula (I), wherein Rstands for optionally substituted phenyl or C-C-cycloalkyl, Rstands for hydrogen or fluorine, or Rtogether with Rstands for optionally substituted C-C-alkyandiyl or C-C-cycloalkandiyl, Rstands for C-C-alkyl, C-C-alkenyl, C-C-alkinyl or C-C-alkoxy-C-C-alkyl, X stands for F or Cl, and n stands for 0, 1, 2, or 3, said method comprising A) providing a compound of the formula (II), wherein X stands for F or Cl, Y for Cl or Br, and Rhas one of the above-mentioned meanings, and B) the reaction of a compound of the formula (II) with carbon monoxide and a compound of the formula (III), wherein R, Rand n have one of the above-mentioned meanings; in the presence of a palladium catalyst; the intermediate products used for the production according to the inventive method; and methods for the production thereof.