Plant protection agents based on pyrazolecarboxylic acid...

Details Plant protection agents based on pyrazolecarboxylic acid... Plant protection agents based on pyrazolecarboxylic acid...

C - Chemistry, Metallurgy

07

D

71/7.25, 260/315

C07D 231/14 (2006.01) A01N 25/32 (2006.01)

Patent

CA 1338071

The present invention relates to agents for protecting crop plants from the phytotoxic side effects of herbi- cides, which agents contain a compound of the formula I (I) Image wherein Y denotes C-H or N, the symbols R1 independently of one another denote alkyl, halo-alkyl, alkoxy, haloalkoxy or halogen, R2 denotes alkyl or cycloalkyl, X denotes COOR3, CON(R4)2, COSR3, CN or Image R3 denotes an alkali metal or alkaline earth metal, hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, or phenylalkyl, it being possible for phenyl to be substituted by halogen, or trisalkylsilylalkyl or alkoxyalkyl, the symbols R4 independently of one another denote H, alkyl or cycloalkyl, which can be substituted, or 2 radicals R4 together with the N atom linking them form a 4- to 7-membered heterocyclic ring and n denotes 1 to 3, in combination with a herbicide.

593977

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